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Finding the Fourth Proportional to 2,176.09, 3,264.10 and 532.65

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Solution

The fourth proportional to 2,176.09, 3,264.10 and 532.65 is: 798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.09 : 3,264.10 = 532.65 : x
  2. Step 2: Convert to fraction form
    2,176.09/3,264.10 = 532.65/x
  3. Step 3: Cross multiply
    2,176.09x = 3,264.10 × 532.65
  4. Step 4: Simplify right side
    2,176.09x = 1,738,622.87
  5. Step 5: Solve for x
    x = 1,738,622.87/2,176.09
  6. Step 6: Final answer
    x = 798.97

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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.