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Finding the Fourth Proportional to 63,615.52, 95,416.80 and 16,873.12

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Solution

The fourth proportional to 63,615.52, 95,416.80 and 16,873.12 is: 25,307.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,615.52 : 95,416.80 = 16,873.12 : x
  2. Step 2: Convert to fraction form
    63,615.52/95,416.80 = 16,873.12/x
  3. Step 3: Cross multiply
    63,615.52x = 95,416.80 × 16,873.12
  4. Step 4: Simplify right side
    63,615.52x = 1,609,979,116.42
  5. Step 5: Solve for x
    x = 1,609,979,116.42/63,615.52
  6. Step 6: Final answer
    x = 25,307.96

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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.