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Finding the Fourth Proportional to 5,663.28, 8,495.84 and 1,766.88

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Solution

The fourth proportional to 5,663.28, 8,495.84 and 1,766.88 is: 2,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.28 : 8,495.84 = 1,766.88 : x
  2. Step 2: Convert to fraction form
    5,663.28/8,495.84 = 1,766.88/x
  3. Step 3: Cross multiply
    5,663.28x = 8,495.84 × 1,766.88
  4. Step 4: Simplify right side
    5,663.28x = 15,011,129.78
  5. Step 5: Solve for x
    x = 15,011,129.78/5,663.28
  6. Step 6: Final answer
    x = 2,650.61

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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.