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Finding the Fourth Proportional to 2,545.92, 3,512.64 and 1,614.72

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Solution

The fourth proportional to 2,545.92, 3,512.64 and 1,614.72 is: 2,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.92 : 3,512.64 = 1,614.72 : x
  2. Step 2: Convert to fraction form
    2,545.92/3,512.64 = 1,614.72/x
  3. Step 3: Cross multiply
    2,545.92x = 3,512.64 × 1,614.72
  4. Step 4: Simplify right side
    2,545.92x = 5,671,930.06
  5. Step 5: Solve for x
    x = 5,671,930.06/2,545.92
  6. Step 6: Final answer
    x = 2,227.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.