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Finding the Fourth Proportional to 844.38, 1,166.15 and 752.76

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Solution

The fourth proportional to 844.38, 1,166.15 and 752.76 is: 1,039.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.38 : 1,166.15 = 752.76 : x
  2. Step 2: Convert to fraction form
    844.38/1,166.15 = 752.76/x
  3. Step 3: Cross multiply
    844.38x = 1,166.15 × 752.76
  4. Step 4: Simplify right side
    844.38x = 877,827.31
  5. Step 5: Solve for x
    x = 877,827.31/844.38
  6. Step 6: Final answer
    x = 1,039.61

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.