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Finding the Fourth Proportional to 57,825.68, 86,599.92 and 29,671.68

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Solution

The fourth proportional to 57,825.68, 86,599.92 and 29,671.68 is: 44,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,825.68 : 86,599.92 = 29,671.68 : x
  2. Step 2: Convert to fraction form
    57,825.68/86,599.92 = 29,671.68/x
  3. Step 3: Cross multiply
    57,825.68x = 86,599.92 × 29,671.68
  4. Step 4: Simplify right side
    57,825.68x = 2,569,565,114.27
  5. Step 5: Solve for x
    x = 2,569,565,114.27/57,825.68
  6. Step 6: Final answer
    x = 44,436.40

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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.