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Finding the Fourth Proportional to 2,941.88, 4,401.84 and 2,909.08

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Solution

The fourth proportional to 2,941.88, 4,401.84 and 2,909.08 is: 4,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.88 : 4,401.84 = 2,909.08 : x
  2. Step 2: Convert to fraction form
    2,941.88/4,401.84 = 2,909.08/x
  3. Step 3: Cross multiply
    2,941.88x = 4,401.84 × 2,909.08
  4. Step 4: Simplify right side
    2,941.88x = 12,805,304.71
  5. Step 5: Solve for x
    x = 12,805,304.71/2,941.88
  6. Step 6: Final answer
    x = 4,352.76

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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.