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Finding the Fourth Proportional to 6,486.48, 8,952.14 and 3,691.44

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Solution

The fourth proportional to 6,486.48, 8,952.14 and 3,691.44 is: 5,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.48 : 8,952.14 = 3,691.44 : x
  2. Step 2: Convert to fraction form
    6,486.48/8,952.14 = 3,691.44/x
  3. Step 3: Cross multiply
    6,486.48x = 8,952.14 × 3,691.44
  4. Step 4: Simplify right side
    6,486.48x = 33,046,287.68
  5. Step 5: Solve for x
    x = 33,046,287.68/6,486.48
  6. Step 6: Final answer
    x = 5,094.64

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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.