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Finding the Fourth Proportional to 71,294.28, 98,343.06 and 45,792.06

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Solution

The fourth proportional to 71,294.28, 98,343.06 and 45,792.06 is: 63,165.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,294.28 : 98,343.06 = 45,792.06 : x
  2. Step 2: Convert to fraction form
    71,294.28/98,343.06 = 45,792.06/x
  3. Step 3: Cross multiply
    71,294.28x = 98,343.06 × 45,792.06
  4. Step 4: Simplify right side
    71,294.28x = 4,503,331,304.10
  5. Step 5: Solve for x
    x = 4,503,331,304.10/71,294.28
  6. Step 6: Final answer
    x = 63,165.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.