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Finding the Fourth Proportional to 1,032.92, 1,549.39 and 827.22

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Solution

The fourth proportional to 1,032.92, 1,549.39 and 827.22 is: 1,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.92 : 1,549.39 = 827.22 : x
  2. Step 2: Convert to fraction form
    1,032.92/1,549.39 = 827.22/x
  3. Step 3: Cross multiply
    1,032.92x = 1,549.39 × 827.22
  4. Step 4: Simplify right side
    1,032.92x = 1,281,686.40
  5. Step 5: Solve for x
    x = 1,281,686.40/1,032.92
  6. Step 6: Final answer
    x = 1,240.84

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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.