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Finding the Fourth Proportional to 48,375.55, 72,557.88 and 16,779.79

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Solution

The fourth proportional to 48,375.55, 72,557.88 and 16,779.79 is: 25,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,375.55 : 72,557.88 = 16,779.79 : x
  2. Step 2: Convert to fraction form
    48,375.55/72,557.88 = 16,779.79/x
  3. Step 3: Cross multiply
    48,375.55x = 72,557.88 × 16,779.79
  4. Step 4: Simplify right side
    48,375.55x = 1,217,505,989.25
  5. Step 5: Solve for x
    x = 1,217,505,989.25/48,375.55
  6. Step 6: Final answer
    x = 25,167.80

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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.