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Finding the Fourth Proportional to 57,958.30, 86,872.65 and 24,672.70

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Solution

The fourth proportional to 57,958.30, 86,872.65 and 24,672.70 is: 36,981.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,958.30 : 86,872.65 = 24,672.70 : x
  2. Step 2: Convert to fraction form
    57,958.30/86,872.65 = 24,672.70/x
  3. Step 3: Cross multiply
    57,958.30x = 86,872.65 × 24,672.70
  4. Step 4: Simplify right side
    57,958.30x = 2,143,382,831.66
  5. Step 5: Solve for x
    x = 2,143,382,831.66/57,958.30
  6. Step 6: Final answer
    x = 36,981.46

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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.