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Finding the Fourth Proportional to 9,072,141.80, 13,608,212.70 and 9,072,141.80

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Solution

The fourth proportional to 9,072,141.80, 13,608,212.70 and 9,072,141.80 is: 13,608,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,141.80 : 13,608,212.70 = 9,072,141.80 : x
  2. Step 2: Convert to fraction form
    9,072,141.80/13,608,212.70 = 9,072,141.80/x
  3. Step 3: Cross multiply
    9,072,141.80x = 13,608,212.70 × 9,072,141.80
  4. Step 4: Simplify right side
    9,072,141.80x = 123,455,635,258,960.86
  5. Step 5: Solve for x
    x = 123,455,635,258,960.86/9,072,141.80
  6. Step 6: Final answer
    x = 13,608,212.70

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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.