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Finding the Fourth Proportional to 2,326.88, 3,488.88 and 1,230.56

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Solution

The fourth proportional to 2,326.88, 3,488.88 and 1,230.56 is: 1,845.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.88 : 3,488.88 = 1,230.56 : x
  2. Step 2: Convert to fraction form
    2,326.88/3,488.88 = 1,230.56/x
  3. Step 3: Cross multiply
    2,326.88x = 3,488.88 × 1,230.56
  4. Step 4: Simplify right side
    2,326.88x = 4,293,276.17
  5. Step 5: Solve for x
    x = 4,293,276.17/2,326.88
  6. Step 6: Final answer
    x = 1,845.08

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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.