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Finding the Fourth Proportional to 61,257.03, 84,543.85 and 37,397.57

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Solution

The fourth proportional to 61,257.03, 84,543.85 and 37,397.57 is: 51,614.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,257.03 : 84,543.85 = 37,397.57 : x
  2. Step 2: Convert to fraction form
    61,257.03/84,543.85 = 37,397.57/x
  3. Step 3: Cross multiply
    61,257.03x = 84,543.85 × 37,397.57
  4. Step 4: Simplify right side
    61,257.03x = 3,161,734,172.47
  5. Step 5: Solve for x
    x = 3,161,734,172.47/61,257.03
  6. Step 6: Final answer
    x = 51,614.23

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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.