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Finding the Fourth Proportional to 2,641.66, 3,963.51 and 1,602.41

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Solution

The fourth proportional to 2,641.66, 3,963.51 and 1,602.41 is: 2,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.66 : 3,963.51 = 1,602.41 : x
  2. Step 2: Convert to fraction form
    2,641.66/3,963.51 = 1,602.41/x
  3. Step 3: Cross multiply
    2,641.66x = 3,963.51 × 1,602.41
  4. Step 4: Simplify right side
    2,641.66x = 6,351,154.88
  5. Step 5: Solve for x
    x = 6,351,154.88/2,641.66
  6. Step 6: Final answer
    x = 2,404.23

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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.