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Finding the Fourth Proportional to 61,472.67, 84,838.64 and 37,615.20

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Solution

The fourth proportional to 61,472.67, 84,838.64 and 37,615.20 is: 51,912.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,472.67 : 84,838.64 = 37,615.20 : x
  2. Step 2: Convert to fraction form
    61,472.67/84,838.64 = 37,615.20/x
  3. Step 3: Cross multiply
    61,472.67x = 84,838.64 × 37,615.20
  4. Step 4: Simplify right side
    61,472.67x = 3,191,222,223.25
  5. Step 5: Solve for x
    x = 3,191,222,223.25/61,472.67
  6. Step 6: Final answer
    x = 51,912.86

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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.