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Finding the Fourth Proportional to 5,159.61, 7,734.15 and 2,388.33

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Solution

The fourth proportional to 5,159.61, 7,734.15 and 2,388.33 is: 3,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.61 : 7,734.15 = 2,388.33 : x
  2. Step 2: Convert to fraction form
    5,159.61/7,734.15 = 2,388.33/x
  3. Step 3: Cross multiply
    5,159.61x = 7,734.15 × 2,388.33
  4. Step 4: Simplify right side
    5,159.61x = 18,471,702.47
  5. Step 5: Solve for x
    x = 18,471,702.47/5,159.61
  6. Step 6: Final answer
    x = 3,580.06

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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.