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Finding the Fourth Proportional to 61,648.66, 92,472.99 and 39,472.48

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Solution

The fourth proportional to 61,648.66, 92,472.99 and 39,472.48 is: 59,208.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,648.66 : 92,472.99 = 39,472.48 : x
  2. Step 2: Convert to fraction form
    61,648.66/92,472.99 = 39,472.48/x
  3. Step 3: Cross multiply
    61,648.66x = 92,472.99 × 39,472.48
  4. Step 4: Simplify right side
    61,648.66x = 3,650,138,248.32
  5. Step 5: Solve for x
    x = 3,650,138,248.32/61,648.66
  6. Step 6: Final answer
    x = 59,208.72

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Similar ratio
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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.