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Finding the Fourth Proportional to 1,032.17, 1,550.27 and 885.87

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Solution

The fourth proportional to 1,032.17, 1,550.27 and 885.87 is: 1,330.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.17 : 1,550.27 = 885.87 : x
  2. Step 2: Convert to fraction form
    1,032.17/1,550.27 = 885.87/x
  3. Step 3: Cross multiply
    1,032.17x = 1,550.27 × 885.87
  4. Step 4: Simplify right side
    1,032.17x = 1,373,339.90
  5. Step 5: Solve for x
    x = 1,373,339.90/1,032.17
  6. Step 6: Final answer
    x = 1,330.54

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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.