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Finding the Fourth Proportional to 1,132.01, 1,560.05 and 882.93

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Solution

The fourth proportional to 1,132.01, 1,560.05 and 882.93 is: 1,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.01 : 1,560.05 = 882.93 : x
  2. Step 2: Convert to fraction form
    1,132.01/1,560.05 = 882.93/x
  3. Step 3: Cross multiply
    1,132.01x = 1,560.05 × 882.93
  4. Step 4: Simplify right side
    1,132.01x = 1,377,414.95
  5. Step 5: Solve for x
    x = 1,377,414.95/1,132.01
  6. Step 6: Final answer
    x = 1,216.79

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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.