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Finding the Fourth Proportional to 5,552.61, 8,298.21 and 4,974.42

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Solution

The fourth proportional to 5,552.61, 8,298.21 and 4,974.42 is: 7,434.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.61 : 8,298.21 = 4,974.42 : x
  2. Step 2: Convert to fraction form
    5,552.61/8,298.21 = 4,974.42/x
  3. Step 3: Cross multiply
    5,552.61x = 8,298.21 × 4,974.42
  4. Step 4: Simplify right side
    5,552.61x = 41,278,781.79
  5. Step 5: Solve for x
    x = 41,278,781.79/5,552.61
  6. Step 6: Final answer
    x = 7,434.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.