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Finding the Fourth Proportional to 15,847.80, 23,773.28 and 5,459.52

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Solution

The fourth proportional to 15,847.80, 23,773.28 and 5,459.52 is: 8,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,847.80 : 23,773.28 = 5,459.52 : x
  2. Step 2: Convert to fraction form
    15,847.80/23,773.28 = 5,459.52/x
  3. Step 3: Cross multiply
    15,847.80x = 23,773.28 × 5,459.52
  4. Step 4: Simplify right side
    15,847.80x = 129,790,697.63
  5. Step 5: Solve for x
    x = 129,790,697.63/15,847.80
  6. Step 6: Final answer
    x = 8,189.82

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