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Finding the Fourth Proportional to 1,354.11, 2,031.08 and 532.53

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Solution

The fourth proportional to 1,354.11, 2,031.08 and 532.53 is: 798.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.11 : 2,031.08 = 532.53 : x
  2. Step 2: Convert to fraction form
    1,354.11/2,031.08 = 532.53/x
  3. Step 3: Cross multiply
    1,354.11x = 2,031.08 × 532.53
  4. Step 4: Simplify right side
    1,354.11x = 1,081,608.37
  5. Step 5: Solve for x
    x = 1,081,608.37/1,354.11
  6. Step 6: Final answer
    x = 798.76

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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.