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Finding the Fourth Proportional to 8,884.65, 13,324.65 and 2,642.98

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Solution

The fourth proportional to 8,884.65, 13,324.65 and 2,642.98 is: 3,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.65 : 13,324.65 = 2,642.98 : x
  2. Step 2: Convert to fraction form
    8,884.65/13,324.65 = 2,642.98/x
  3. Step 3: Cross multiply
    8,884.65x = 13,324.65 × 2,642.98
  4. Step 4: Simplify right side
    8,884.65x = 35,216,783.46
  5. Step 5: Solve for x
    x = 35,216,783.46/8,884.65
  6. Step 6: Final answer
    x = 3,963.78

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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.