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Finding the Fourth Proportional to 5,773.18, 8,658.90 and 1,612.78

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Solution

The fourth proportional to 5,773.18, 8,658.90 and 1,612.78 is: 2,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,773.18 : 8,658.90 = 1,612.78 : x
  2. Step 2: Convert to fraction form
    5,773.18/8,658.90 = 1,612.78/x
  3. Step 3: Cross multiply
    5,773.18x = 8,658.90 × 1,612.78
  4. Step 4: Simplify right side
    5,773.18x = 13,964,900.74
  5. Step 5: Solve for x
    x = 13,964,900.74/5,773.18
  6. Step 6: Final answer
    x = 2,418.93

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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.