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Finding the Fourth Proportional to 63,135.60, 87,125.40 and 34,839.24

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Solution

The fourth proportional to 63,135.60, 87,125.40 and 34,839.24 is: 48,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,135.60 : 87,125.40 = 34,839.24 : x
  2. Step 2: Convert to fraction form
    63,135.60/87,125.40 = 34,839.24/x
  3. Step 3: Cross multiply
    63,135.60x = 87,125.40 × 34,839.24
  4. Step 4: Simplify right side
    63,135.60x = 3,035,382,720.70
  5. Step 5: Solve for x
    x = 3,035,382,720.70/63,135.60
  6. Step 6: Final answer
    x = 48,077.20

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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.