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Finding the Fourth Proportional to 4,689.88, 6,472.14 and 2,700.11

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Solution

The fourth proportional to 4,689.88, 6,472.14 and 2,700.11 is: 3,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.88 : 6,472.14 = 2,700.11 : x
  2. Step 2: Convert to fraction form
    4,689.88/6,472.14 = 2,700.11/x
  3. Step 3: Cross multiply
    4,689.88x = 6,472.14 × 2,700.11
  4. Step 4: Simplify right side
    4,689.88x = 17,475,476.43
  5. Step 5: Solve for x
    x = 17,475,476.43/4,689.88
  6. Step 6: Final answer
    x = 3,726.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.