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Finding the Fourth Proportional to 8,876.39, 13,309.59 and 2,950.11

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Solution

The fourth proportional to 8,876.39, 13,309.59 and 2,950.11 is: 4,423.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.39 : 13,309.59 = 2,950.11 : x
  2. Step 2: Convert to fraction form
    8,876.39/13,309.59 = 2,950.11/x
  3. Step 3: Cross multiply
    8,876.39x = 13,309.59 × 2,950.11
  4. Step 4: Simplify right side
    8,876.39x = 39,264,754.55
  5. Step 5: Solve for x
    x = 39,264,754.55/8,876.39
  6. Step 6: Final answer
    x = 4,423.50

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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.