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Finding the Fourth Proportional to 8,176.65, 12,264.69 and 2,630.37

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Solution

The fourth proportional to 8,176.65, 12,264.69 and 2,630.37 is: 3,945.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.65 : 12,264.69 = 2,630.37 : x
  2. Step 2: Convert to fraction form
    8,176.65/12,264.69 = 2,630.37/x
  3. Step 3: Cross multiply
    8,176.65x = 12,264.69 × 2,630.37
  4. Step 4: Simplify right side
    8,176.65x = 32,260,672.64
  5. Step 5: Solve for x
    x = 32,260,672.64/8,176.65
  6. Step 6: Final answer
    x = 3,945.46

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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.