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Finding the Fourth Proportional to 57,465.46, 86,162.28 and 25,868.98

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Solution

The fourth proportional to 57,465.46, 86,162.28 and 25,868.98 is: 38,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,465.46 : 86,162.28 = 25,868.98 : x
  2. Step 2: Convert to fraction form
    57,465.46/86,162.28 = 25,868.98/x
  3. Step 3: Cross multiply
    57,465.46x = 86,162.28 × 25,868.98
  4. Step 4: Simplify right side
    57,465.46x = 2,228,930,298.07
  5. Step 5: Solve for x
    x = 2,228,930,298.07/57,465.46
  6. Step 6: Final answer
    x = 38,787.30

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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.