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Finding the Fourth Proportional to 9,072,422.30, 13,608,633.60 and 9,072,422.30

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Solution

The fourth proportional to 9,072,422.30, 13,608,633.60 and 9,072,422.30 is: 13,608,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,422.30 : 13,608,633.60 = 9,072,422.30 : x
  2. Step 2: Convert to fraction form
    9,072,422.30/13,608,633.60 = 9,072,422.30/x
  3. Step 3: Cross multiply
    9,072,422.30x = 13,608,633.60 × 9,072,422.30
  4. Step 4: Simplify right side
    9,072,422.30x = 123,463,270,945,169.28
  5. Step 5: Solve for x
    x = 123,463,270,945,169.28/9,072,422.30
  6. Step 6: Final answer
    x = 13,608,633.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.