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Finding the Fourth Proportional to 57,761.94, 86,676.19 and 24,479.38

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Solution

The fourth proportional to 57,761.94, 86,676.19 and 24,479.38 is: 36,733.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,761.94 : 86,676.19 = 24,479.38 : x
  2. Step 2: Convert to fraction form
    57,761.94/86,676.19 = 24,479.38/x
  3. Step 3: Cross multiply
    57,761.94x = 86,676.19 × 24,479.38
  4. Step 4: Simplify right side
    57,761.94x = 2,121,779,391.96
  5. Step 5: Solve for x
    x = 2,121,779,391.96/57,761.94
  6. Step 6: Final answer
    x = 36,733.17

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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.