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Finding the Fourth Proportional to 3,952.68, 5,929.35 and 1,179.17

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Solution

The fourth proportional to 3,952.68, 5,929.35 and 1,179.17 is: 1,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.68 : 5,929.35 = 1,179.17 : x
  2. Step 2: Convert to fraction form
    3,952.68/5,929.35 = 1,179.17/x
  3. Step 3: Cross multiply
    3,952.68x = 5,929.35 × 1,179.17
  4. Step 4: Simplify right side
    3,952.68x = 6,991,711.64
  5. Step 5: Solve for x
    x = 6,991,711.64/3,952.68
  6. Step 6: Final answer
    x = 1,768.85

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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.