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Finding the Fourth Proportional to 5,700.92, 7,867.02 and 3,309.39

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Solution

The fourth proportional to 5,700.92, 7,867.02 and 3,309.39 is: 4,566.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,700.92 : 7,867.02 = 3,309.39 : x
  2. Step 2: Convert to fraction form
    5,700.92/7,867.02 = 3,309.39/x
  3. Step 3: Cross multiply
    5,700.92x = 7,867.02 × 3,309.39
  4. Step 4: Simplify right side
    5,700.92x = 26,035,049.73
  5. Step 5: Solve for x
    x = 26,035,049.73/5,700.92
  6. Step 6: Final answer
    x = 4,566.82

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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.