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Finding the Fourth Proportional to 7,924.68, 11,892.96 and 3,544.92

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Solution

The fourth proportional to 7,924.68, 11,892.96 and 3,544.92 is: 5,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.68 : 11,892.96 = 3,544.92 : x
  2. Step 2: Convert to fraction form
    7,924.68/11,892.96 = 3,544.92/x
  3. Step 3: Cross multiply
    7,924.68x = 11,892.96 × 3,544.92
  4. Step 4: Simplify right side
    7,924.68x = 42,159,591.76
  5. Step 5: Solve for x
    x = 42,159,591.76/7,924.68
  6. Step 6: Final answer
    x = 5,320.04

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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.