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Finding the Fourth Proportional to 3,569.88, 5,354.52 and 1,229.88

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Solution

The fourth proportional to 3,569.88, 5,354.52 and 1,229.88 is: 1,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.88 : 5,354.52 = 1,229.88 : x
  2. Step 2: Convert to fraction form
    3,569.88/5,354.52 = 1,229.88/x
  3. Step 3: Cross multiply
    3,569.88x = 5,354.52 × 1,229.88
  4. Step 4: Simplify right side
    3,569.88x = 6,585,417.06
  5. Step 5: Solve for x
    x = 6,585,417.06/3,569.88
  6. Step 6: Final answer
    x = 1,844.72

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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.