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Finding the Fourth Proportional to 63,374.24, 87,472.48 and 39,488.08

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Solution

The fourth proportional to 63,374.24, 87,472.48 and 39,488.08 is: 54,503.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,374.24 : 87,472.48 = 39,488.08 : x
  2. Step 2: Convert to fraction form
    63,374.24/87,472.48 = 39,488.08/x
  3. Step 3: Cross multiply
    63,374.24x = 87,472.48 × 39,488.08
  4. Step 4: Simplify right side
    63,374.24x = 3,454,120,288.04
  5. Step 5: Solve for x
    x = 3,454,120,288.04/63,374.24
  6. Step 6: Final answer
    x = 54,503.54

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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.