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Finding the Fourth Proportional to 57,437.62, 86,156.46 and 26,251

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Solution

The fourth proportional to 57,437.62, 86,156.46 and 26,251 is: 39,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,437.62 : 86,156.46 = 26,251 : x
  2. Step 2: Convert to fraction form
    57,437.62/86,156.46 = 26,251/x
  3. Step 3: Cross multiply
    57,437.62x = 86,156.46 × 26,251
  4. Step 4: Simplify right side
    57,437.62x = 2,261,693,231.46
  5. Step 5: Solve for x
    x = 2,261,693,231.46/57,437.62
  6. Step 6: Final answer
    x = 39,376.51

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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.