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Finding the Fourth Proportional to 7,396.11, 10,204.79 and 4,747.14

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Solution

The fourth proportional to 7,396.11, 10,204.79 and 4,747.14 is: 6,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.11 : 10,204.79 = 4,747.14 : x
  2. Step 2: Convert to fraction form
    7,396.11/10,204.79 = 4,747.14/x
  3. Step 3: Cross multiply
    7,396.11x = 10,204.79 × 4,747.14
  4. Step 4: Simplify right side
    7,396.11x = 48,443,543.06
  5. Step 5: Solve for x
    x = 48,443,543.06/7,396.11
  6. Step 6: Final answer
    x = 6,549.87

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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.