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Finding the Fourth Proportional to 1,050.24, 1,446.02 and 892.56

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Solution

The fourth proportional to 1,050.24, 1,446.02 and 892.56 is: 1,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.24 : 1,446.02 = 892.56 : x
  2. Step 2: Convert to fraction form
    1,050.24/1,446.02 = 892.56/x
  3. Step 3: Cross multiply
    1,050.24x = 1,446.02 × 892.56
  4. Step 4: Simplify right side
    1,050.24x = 1,290,659.61
  5. Step 5: Solve for x
    x = 1,290,659.61/1,050.24
  6. Step 6: Final answer
    x = 1,228.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.