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Finding the Fourth Proportional to 63,221.92, 87,248.01 and 34,929.43

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Solution

The fourth proportional to 63,221.92, 87,248.01 and 34,929.43 is: 48,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,221.92 : 87,248.01 = 34,929.43 : x
  2. Step 2: Convert to fraction form
    63,221.92/87,248.01 = 34,929.43/x
  3. Step 3: Cross multiply
    63,221.92x = 87,248.01 × 34,929.43
  4. Step 4: Simplify right side
    63,221.92x = 3,047,523,257.93
  5. Step 5: Solve for x
    x = 3,047,523,257.93/63,221.92
  6. Step 6: Final answer
    x = 48,203.59

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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.