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Finding the Fourth Proportional to 15,871.59, 23,782.35 and 5,862.57

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Solution

The fourth proportional to 15,871.59, 23,782.35 and 5,862.57 is: 8,784.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871.59 : 23,782.35 = 5,862.57 : x
  2. Step 2: Convert to fraction form
    15,871.59/23,782.35 = 5,862.57/x
  3. Step 3: Cross multiply
    15,871.59x = 23,782.35 × 5,862.57
  4. Step 4: Simplify right side
    15,871.59x = 139,425,691.64
  5. Step 5: Solve for x
    x = 139,425,691.64/15,871.59
  6. Step 6: Final answer
    x = 8,784.61

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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.