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Finding the Fourth Proportional to 3,715.32, 5,572.98 and 1,766.46

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Solution

The fourth proportional to 3,715.32, 5,572.98 and 1,766.46 is: 2,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.32 : 5,572.98 = 1,766.46 : x
  2. Step 2: Convert to fraction form
    3,715.32/5,572.98 = 1,766.46/x
  3. Step 3: Cross multiply
    3,715.32x = 5,572.98 × 1,766.46
  4. Step 4: Simplify right side
    3,715.32x = 9,844,446.25
  5. Step 5: Solve for x
    x = 9,844,446.25/3,715.32
  6. Step 6: Final answer
    x = 2,649.69

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Similar ratio
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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.