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Finding the Fourth Proportional to 1,366.71, 2,050.20 and 934.17

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Solution

The fourth proportional to 1,366.71, 2,050.20 and 934.17 is: 1,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.71 : 2,050.20 = 934.17 : x
  2. Step 2: Convert to fraction form
    1,366.71/2,050.20 = 934.17/x
  3. Step 3: Cross multiply
    1,366.71x = 2,050.20 × 934.17
  4. Step 4: Simplify right side
    1,366.71x = 1,915,235.33
  5. Step 5: Solve for x
    x = 1,915,235.33/1,366.71
  6. Step 6: Final answer
    x = 1,401.35

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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.