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Finding the Fourth Proportional to 1,711.92, 2,566.31 and 833.93

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Solution

The fourth proportional to 1,711.92, 2,566.31 and 833.93 is: 1,250.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.92 : 2,566.31 = 833.93 : x
  2. Step 2: Convert to fraction form
    1,711.92/2,566.31 = 833.93/x
  3. Step 3: Cross multiply
    1,711.92x = 2,566.31 × 833.93
  4. Step 4: Simplify right side
    1,711.92x = 2,140,105.90
  5. Step 5: Solve for x
    x = 2,140,105.90/1,711.92
  6. Step 6: Final answer
    x = 1,250.12

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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.