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Finding the Fourth Proportional to 9,612,004.60, 13,431,612.20 and 9,612,004.60

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Solution

The fourth proportional to 9,612,004.60, 13,431,612.20 and 9,612,004.60 is: 13,431,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612,004.60 : 13,431,612.20 = 9,612,004.60 : x
  2. Step 2: Convert to fraction form
    9,612,004.60/13,431,612.20 = 9,612,004.60/x
  3. Step 3: Cross multiply
    9,612,004.60x = 13,431,612.20 × 9,612,004.60
  4. Step 4: Simplify right side
    9,612,004.60x = 129,104,718,251,816.11
  5. Step 5: Solve for x
    x = 129,104,718,251,816.11/9,612,004.60
  6. Step 6: Final answer
    x = 13,431,612.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.