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Finding the Fourth Proportional to 2,932.64, 4,392.02 and 2,545.79

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Solution

The fourth proportional to 2,932.64, 4,392.02 and 2,545.79 is: 3,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.64 : 4,392.02 = 2,545.79 : x
  2. Step 2: Convert to fraction form
    2,932.64/4,392.02 = 2,545.79/x
  3. Step 3: Cross multiply
    2,932.64x = 4,392.02 × 2,545.79
  4. Step 4: Simplify right side
    2,932.64x = 11,181,160.60
  5. Step 5: Solve for x
    x = 11,181,160.60/2,932.64
  6. Step 6: Final answer
    x = 3,812.66

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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.