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Finding the Fourth Proportional to 5,332.68, 7,359 and 2,974.88

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Solution

The fourth proportional to 5,332.68, 7,359 and 2,974.88 is: 4,105.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332.68 : 7,359 = 2,974.88 : x
  2. Step 2: Convert to fraction form
    5,332.68/7,359 = 2,974.88/x
  3. Step 3: Cross multiply
    5,332.68x = 7,359 × 2,974.88
  4. Step 4: Simplify right side
    5,332.68x = 21,892,141.92
  5. Step 5: Solve for x
    x = 21,892,141.92/5,332.68
  6. Step 6: Final answer
    x = 4,105.28

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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.