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Finding the Fourth Proportional to 8,876.76, 13,315.68 and 3,329.94

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Solution

The fourth proportional to 8,876.76, 13,315.68 and 3,329.94 is: 4,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.76 : 13,315.68 = 3,329.94 : x
  2. Step 2: Convert to fraction form
    8,876.76/13,315.68 = 3,329.94/x
  3. Step 3: Cross multiply
    8,876.76x = 13,315.68 × 3,329.94
  4. Step 4: Simplify right side
    8,876.76x = 44,340,415.46
  5. Step 5: Solve for x
    x = 44,340,415.46/8,876.76
  6. Step 6: Final answer
    x = 4,995.11

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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.