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Finding the Fourth Proportional to 7,309.62, 10,080.54 and 6,251.34

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Solution

The fourth proportional to 7,309.62, 10,080.54 and 6,251.34 is: 8,621.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.62 : 10,080.54 = 6,251.34 : x
  2. Step 2: Convert to fraction form
    7,309.62/10,080.54 = 6,251.34/x
  3. Step 3: Cross multiply
    7,309.62x = 10,080.54 × 6,251.34
  4. Step 4: Simplify right side
    7,309.62x = 63,016,882.92
  5. Step 5: Solve for x
    x = 63,016,882.92/7,309.62
  6. Step 6: Final answer
    x = 8,621.09

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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.