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Finding the Fourth Proportional to 63,687.52, 87,888.96 and 35,393.12

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Solution

The fourth proportional to 63,687.52, 87,888.96 and 35,393.12 is: 48,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,687.52 : 87,888.96 = 35,393.12 : x
  2. Step 2: Convert to fraction form
    63,687.52/87,888.96 = 35,393.12/x
  3. Step 3: Cross multiply
    63,687.52x = 87,888.96 × 35,393.12
  4. Step 4: Simplify right side
    63,687.52x = 3,110,664,507.96
  5. Step 5: Solve for x
    x = 3,110,664,507.96/63,687.52
  6. Step 6: Final answer
    x = 48,842.61

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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.