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Finding the Fourth Proportional to 5,471.18, 7,549.71 and 3,374.90

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Solution

The fourth proportional to 5,471.18, 7,549.71 and 3,374.90 is: 4,657.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.18 : 7,549.71 = 3,374.90 : x
  2. Step 2: Convert to fraction form
    5,471.18/7,549.71 = 3,374.90/x
  3. Step 3: Cross multiply
    5,471.18x = 7,549.71 × 3,374.90
  4. Step 4: Simplify right side
    5,471.18x = 25,479,516.28
  5. Step 5: Solve for x
    x = 25,479,516.28/5,471.18
  6. Step 6: Final answer
    x = 4,657.04

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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.