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Finding the Fourth Proportional to 8,876.77, 13,315.15 and 2,302.81

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Solution

The fourth proportional to 8,876.77, 13,315.15 and 2,302.81 is: 3,454.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.77 : 13,315.15 = 2,302.81 : x
  2. Step 2: Convert to fraction form
    8,876.77/13,315.15 = 2,302.81/x
  3. Step 3: Cross multiply
    8,876.77x = 13,315.15 × 2,302.81
  4. Step 4: Simplify right side
    8,876.77x = 30,662,260.57
  5. Step 5: Solve for x
    x = 30,662,260.57/8,876.77
  6. Step 6: Final answer
    x = 3,454.21

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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.