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Finding the Fourth Proportional to 6,714.70, 9,266.17 and 3,730.47

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Solution

The fourth proportional to 6,714.70, 9,266.17 and 3,730.47 is: 5,147.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,714.70 : 9,266.17 = 3,730.47 : x
  2. Step 2: Convert to fraction form
    6,714.70/9,266.17 = 3,730.47/x
  3. Step 3: Cross multiply
    6,714.70x = 9,266.17 × 3,730.47
  4. Step 4: Simplify right side
    6,714.70x = 34,567,169.20
  5. Step 5: Solve for x
    x = 34,567,169.20/6,714.70
  6. Step 6: Final answer
    x = 5,147.98

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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.