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Finding the Fourth Proportional to 67,294.43, 100,812.29 and 37,622.28

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Solution

The fourth proportional to 67,294.43, 100,812.29 and 37,622.28 is: 56,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,294.43 : 100,812.29 = 37,622.28 : x
  2. Step 2: Convert to fraction form
    67,294.43/100,812.29 = 37,622.28/x
  3. Step 3: Cross multiply
    67,294.43x = 100,812.29 × 37,622.28
  4. Step 4: Simplify right side
    67,294.43x = 3,792,788,013.71
  5. Step 5: Solve for x
    x = 3,792,788,013.71/67,294.43
  6. Step 6: Final answer
    x = 56,361.10

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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.