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Finding the Fourth Proportional to 6,744.18, 9,307.02 and 3,760.21

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Solution

The fourth proportional to 6,744.18, 9,307.02 and 3,760.21 is: 5,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,744.18 : 9,307.02 = 3,760.21 : x
  2. Step 2: Convert to fraction form
    6,744.18/9,307.02 = 3,760.21/x
  3. Step 3: Cross multiply
    6,744.18x = 9,307.02 × 3,760.21
  4. Step 4: Simplify right side
    6,744.18x = 34,996,375.41
  5. Step 5: Solve for x
    x = 34,996,375.41/6,744.18
  6. Step 6: Final answer
    x = 5,189.12

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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.