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Finding the Fourth Proportional to 4,687.47, 7,042.14 and 4,326.62

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Solution

The fourth proportional to 4,687.47, 7,042.14 and 4,326.62 is: 6,500.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.47 : 7,042.14 = 4,326.62 : x
  2. Step 2: Convert to fraction form
    4,687.47/7,042.14 = 4,326.62/x
  3. Step 3: Cross multiply
    4,687.47x = 7,042.14 × 4,326.62
  4. Step 4: Simplify right side
    4,687.47x = 30,468,628.56
  5. Step 5: Solve for x
    x = 30,468,628.56/4,687.47
  6. Step 6: Final answer
    x = 6,500.02

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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.