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Finding the Fourth Proportional to 1,472.62, 2,031.96 and 882.94

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Solution

The fourth proportional to 1,472.62, 2,031.96 and 882.94 is: 1,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.62 : 2,031.96 = 882.94 : x
  2. Step 2: Convert to fraction form
    1,472.62/2,031.96 = 882.94/x
  3. Step 3: Cross multiply
    1,472.62x = 2,031.96 × 882.94
  4. Step 4: Simplify right side
    1,472.62x = 1,794,098.76
  5. Step 5: Solve for x
    x = 1,794,098.76/1,472.62
  6. Step 6: Final answer
    x = 1,218.30

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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.