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Finding the Fourth Proportional to 2,262.65, 3,392.15 and 875.27

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Solution

The fourth proportional to 2,262.65, 3,392.15 and 875.27 is: 1,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.65 : 3,392.15 = 875.27 : x
  2. Step 2: Convert to fraction form
    2,262.65/3,392.15 = 875.27/x
  3. Step 3: Cross multiply
    2,262.65x = 3,392.15 × 875.27
  4. Step 4: Simplify right side
    2,262.65x = 2,969,057.80
  5. Step 5: Solve for x
    x = 2,969,057.80/2,262.65
  6. Step 6: Final answer
    x = 1,312.20

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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.