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Finding the Fourth Proportional to 8,961.54, 13,447.49 and 3,695.57

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Solution

The fourth proportional to 8,961.54, 13,447.49 and 3,695.57 is: 5,545.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.54 : 13,447.49 = 3,695.57 : x
  2. Step 2: Convert to fraction form
    8,961.54/13,447.49 = 3,695.57/x
  3. Step 3: Cross multiply
    8,961.54x = 13,447.49 × 3,695.57
  4. Step 4: Simplify right side
    8,961.54x = 49,696,073.38
  5. Step 5: Solve for x
    x = 49,696,073.38/8,961.54
  6. Step 6: Final answer
    x = 5,545.49

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1.5x scale

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.