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Finding the Fourth Proportional to 1,349.48, 2,023.67 and 527.64

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Solution

The fourth proportional to 1,349.48, 2,023.67 and 527.64 is: 791.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.48 : 2,023.67 = 527.64 : x
  2. Step 2: Convert to fraction form
    1,349.48/2,023.67 = 527.64/x
  3. Step 3: Cross multiply
    1,349.48x = 2,023.67 × 527.64
  4. Step 4: Simplify right side
    1,349.48x = 1,067,756.48
  5. Step 5: Solve for x
    x = 1,067,756.48/1,349.48
  6. Step 6: Final answer
    x = 791.24

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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.