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Finding the Fourth Proportional to 63,335.68, 87,404.88 and 38,186.80

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Solution

The fourth proportional to 63,335.68, 87,404.88 and 38,186.80 is: 52,698.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,335.68 : 87,404.88 = 38,186.80 : x
  2. Step 2: Convert to fraction form
    63,335.68/87,404.88 = 38,186.80/x
  3. Step 3: Cross multiply
    63,335.68x = 87,404.88 × 38,186.80
  4. Step 4: Simplify right side
    63,335.68x = 3,337,712,671.58
  5. Step 5: Solve for x
    x = 3,337,712,671.58/63,335.68
  6. Step 6: Final answer
    x = 52,698.77

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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.