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Finding the Fourth Proportional to 5,773.66, 8,660.14 and 1,613.90

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Solution

The fourth proportional to 5,773.66, 8,660.14 and 1,613.90 is: 2,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,773.66 : 8,660.14 = 1,613.90 : x
  2. Step 2: Convert to fraction form
    5,773.66/8,660.14 = 1,613.90/x
  3. Step 3: Cross multiply
    5,773.66x = 8,660.14 × 1,613.90
  4. Step 4: Simplify right side
    5,773.66x = 13,976,599.95
  5. Step 5: Solve for x
    x = 13,976,599.95/5,773.66
  6. Step 6: Final answer
    x = 2,420.75

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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.