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Finding the Fourth Proportional to 1,473.91, 2,034.09 and 876.24

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Solution

The fourth proportional to 1,473.91, 2,034.09 and 876.24 is: 1,209.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.91 : 2,034.09 = 876.24 : x
  2. Step 2: Convert to fraction form
    1,473.91/2,034.09 = 876.24/x
  3. Step 3: Cross multiply
    1,473.91x = 2,034.09 × 876.24
  4. Step 4: Simplify right side
    1,473.91x = 1,782,346.64
  5. Step 5: Solve for x
    x = 1,782,346.64/1,473.91
  6. Step 6: Final answer
    x = 1,209.27

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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.