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Finding the Fourth Proportional to 5,766.91, 8,650.50 and 2,256.76

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Solution

The fourth proportional to 5,766.91, 8,650.50 and 2,256.76 is: 3,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,766.91 : 8,650.50 = 2,256.76 : x
  2. Step 2: Convert to fraction form
    5,766.91/8,650.50 = 2,256.76/x
  3. Step 3: Cross multiply
    5,766.91x = 8,650.50 × 2,256.76
  4. Step 4: Simplify right side
    5,766.91x = 19,522,102.38
  5. Step 5: Solve for x
    x = 19,522,102.38/5,766.91
  6. Step 6: Final answer
    x = 3,385.19

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Double scale
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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.