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Finding the Fourth Proportional to 17,169,892.80, 25,754,839.20 and 4,391,397.60

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Solution

The fourth proportional to 17,169,892.80, 25,754,839.20 and 4,391,397.60 is: 6,587,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,169,892.80 : 25,754,839.20 = 4,391,397.60 : x
  2. Step 2: Convert to fraction form
    17,169,892.80/25,754,839.20 = 4,391,397.60/x
  3. Step 3: Cross multiply
    17,169,892.80x = 25,754,839.20 × 4,391,397.60
  4. Step 4: Simplify right side
    17,169,892.80x = 113,099,739,051,265.91
  5. Step 5: Solve for x
    x = 113,099,739,051,265.91/17,169,892.80
  6. Step 6: Final answer
    x = 6,587,096.40

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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.