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Finding the Fourth Proportional to 62,735.61, 86,558.31 and 37,220.76

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Solution

The fourth proportional to 62,735.61, 86,558.31 and 37,220.76 is: 51,354.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,735.61 : 86,558.31 = 37,220.76 : x
  2. Step 2: Convert to fraction form
    62,735.61/86,558.31 = 37,220.76/x
  3. Step 3: Cross multiply
    62,735.61x = 86,558.31 × 37,220.76
  4. Step 4: Simplify right side
    62,735.61x = 3,221,766,082.52
  5. Step 5: Solve for x
    x = 3,221,766,082.52/62,735.61
  6. Step 6: Final answer
    x = 51,354.66

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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.