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Finding the Fourth Proportional to 63,237.78, 87,276.88 and 36,379.80

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Solution

The fourth proportional to 63,237.78, 87,276.88 and 36,379.80 is: 50,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,237.78 : 87,276.88 = 36,379.80 : x
  2. Step 2: Convert to fraction form
    63,237.78/87,276.88 = 36,379.80/x
  3. Step 3: Cross multiply
    63,237.78x = 87,276.88 × 36,379.80
  4. Step 4: Simplify right side
    63,237.78x = 3,175,115,439.02
  5. Step 5: Solve for x
    x = 3,175,115,439.02/63,237.78
  6. Step 6: Final answer
    x = 50,209.15

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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.