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Finding the Fourth Proportional to 8,889.88, 13,332.02 and 3,694.68

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Solution

The fourth proportional to 8,889.88, 13,332.02 and 3,694.68 is: 5,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.88 : 13,332.02 = 3,694.68 : x
  2. Step 2: Convert to fraction form
    8,889.88/13,332.02 = 3,694.68/x
  3. Step 3: Cross multiply
    8,889.88x = 13,332.02 × 3,694.68
  4. Step 4: Simplify right side
    8,889.88x = 49,257,547.65
  5. Step 5: Solve for x
    x = 49,257,547.65/8,889.88
  6. Step 6: Final answer
    x = 5,540.86

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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.