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Finding the Fourth Proportional to 5,801.32, 8,702.12 and 1,418.82

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Solution

The fourth proportional to 5,801.32, 8,702.12 and 1,418.82 is: 2,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801.32 : 8,702.12 = 1,418.82 : x
  2. Step 2: Convert to fraction form
    5,801.32/8,702.12 = 1,418.82/x
  3. Step 3: Cross multiply
    5,801.32x = 8,702.12 × 1,418.82
  4. Step 4: Simplify right side
    5,801.32x = 12,346,691.29
  5. Step 5: Solve for x
    x = 12,346,691.29/5,801.32
  6. Step 6: Final answer
    x = 2,128.26

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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.