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Finding the Fourth Proportional to 63,733.86, 87,916.86 and 38,233.44

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Solution

The fourth proportional to 63,733.86, 87,916.86 and 38,233.44 is: 52,740.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,733.86 : 87,916.86 = 38,233.44 : x
  2. Step 2: Convert to fraction form
    63,733.86/87,916.86 = 38,233.44/x
  3. Step 3: Cross multiply
    63,733.86x = 87,916.86 × 38,233.44
  4. Step 4: Simplify right side
    63,733.86x = 3,361,363,991.80
  5. Step 5: Solve for x
    x = 3,361,363,991.80/63,733.86
  6. Step 6: Final answer
    x = 52,740.63

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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.