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Finding the Fourth Proportional to 5,772.66, 8,658.64 and 1,612.90

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Solution

The fourth proportional to 5,772.66, 8,658.64 and 1,612.90 is: 2,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.66 : 8,658.64 = 1,612.90 : x
  2. Step 2: Convert to fraction form
    5,772.66/8,658.64 = 1,612.90/x
  3. Step 3: Cross multiply
    5,772.66x = 8,658.64 × 1,612.90
  4. Step 4: Simplify right side
    5,772.66x = 13,965,520.46
  5. Step 5: Solve for x
    x = 13,965,520.46/5,772.66
  6. Step 6: Final answer
    x = 2,419.25

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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.