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Finding the Fourth Proportional to 1,349.86, 2,024.38 and 527.92

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Solution

The fourth proportional to 1,349.86, 2,024.38 and 527.92 is: 791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.86 : 2,024.38 = 527.92 : x
  2. Step 2: Convert to fraction form
    1,349.86/2,024.38 = 527.92/x
  3. Step 3: Cross multiply
    1,349.86x = 2,024.38 × 527.92
  4. Step 4: Simplify right side
    1,349.86x = 1,068,710.69
  5. Step 5: Solve for x
    x = 1,068,710.69/1,349.86
  6. Step 6: Final answer
    x = 791.72

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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.