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Finding the Fourth Proportional to 63,079.60, 94,489.80 and 31,932.40

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Solution

The fourth proportional to 63,079.60, 94,489.80 and 31,932.40 is: 47,832.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,079.60 : 94,489.80 = 31,932.40 : x
  2. Step 2: Convert to fraction form
    63,079.60/94,489.80 = 31,932.40/x
  3. Step 3: Cross multiply
    63,079.60x = 94,489.80 × 31,932.40
  4. Step 4: Simplify right side
    63,079.60x = 3,017,286,089.52
  5. Step 5: Solve for x
    x = 3,017,286,089.52/63,079.60
  6. Step 6: Final answer
    x = 47,832.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.