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Finding the Fourth Proportional to 11,479.87, 17,207.52 and 5,931.73

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Solution

The fourth proportional to 11,479.87, 17,207.52 and 5,931.73 is: 8,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.87 : 17,207.52 = 5,931.73 : x
  2. Step 2: Convert to fraction form
    11,479.87/17,207.52 = 5,931.73/x
  3. Step 3: Cross multiply
    11,479.87x = 17,207.52 × 5,931.73
  4. Step 4: Simplify right side
    11,479.87x = 102,070,362.61
  5. Step 5: Solve for x
    x = 102,070,362.61/11,479.87
  6. Step 6: Final answer
    x = 8,891.25

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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.