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Finding the Fourth Proportional to 6,158.62, 9,242.49 and 3,384.78

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Solution

The fourth proportional to 6,158.62, 9,242.49 and 3,384.78 is: 5,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,158.62 : 9,242.49 = 3,384.78 : x
  2. Step 2: Convert to fraction form
    6,158.62/9,242.49 = 3,384.78/x
  3. Step 3: Cross multiply
    6,158.62x = 9,242.49 × 3,384.78
  4. Step 4: Simplify right side
    6,158.62x = 31,283,795.30
  5. Step 5: Solve for x
    x = 31,283,795.30/6,158.62
  6. Step 6: Final answer
    x = 5,079.68

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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.