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Finding the Fourth Proportional to 61,256.86, 84,543.85 and 37,397.50

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Solution

The fourth proportional to 61,256.86, 84,543.85 and 37,397.50 is: 51,614.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,256.86 : 84,543.85 = 37,397.50 : x
  2. Step 2: Convert to fraction form
    61,256.86/84,543.85 = 37,397.50/x
  3. Step 3: Cross multiply
    61,256.86x = 84,543.85 × 37,397.50
  4. Step 4: Simplify right side
    61,256.86x = 3,161,728,465.76
  5. Step 5: Solve for x
    x = 3,161,728,465.76/61,256.86
  6. Step 6: Final answer
    x = 51,614.28

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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.