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Finding the Fourth Proportional to 2,963.55, 4,443.30 and 1,404.30

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Solution

The fourth proportional to 2,963.55, 4,443.30 and 1,404.30 is: 2,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.55 : 4,443.30 = 1,404.30 : x
  2. Step 2: Convert to fraction form
    2,963.55/4,443.30 = 1,404.30/x
  3. Step 3: Cross multiply
    2,963.55x = 4,443.30 × 1,404.30
  4. Step 4: Simplify right side
    2,963.55x = 6,239,726.19
  5. Step 5: Solve for x
    x = 6,239,726.19/2,963.55
  6. Step 6: Final answer
    x = 2,105.49

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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.