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Finding the Fourth Proportional to 2,328.62, 3,488.13 and 1,230.66

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Solution

The fourth proportional to 2,328.62, 3,488.13 and 1,230.66 is: 1,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.62 : 3,488.13 = 1,230.66 : x
  2. Step 2: Convert to fraction form
    2,328.62/3,488.13 = 1,230.66/x
  3. Step 3: Cross multiply
    2,328.62x = 3,488.13 × 1,230.66
  4. Step 4: Simplify right side
    2,328.62x = 4,292,702.07
  5. Step 5: Solve for x
    x = 4,292,702.07/2,328.62
  6. Step 6: Final answer
    x = 1,843.46

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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.