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Finding the Fourth Proportional to 1,195.27, 1,648.77 and 752.83

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Solution

The fourth proportional to 1,195.27, 1,648.77 and 752.83 is: 1,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.27 : 1,648.77 = 752.83 : x
  2. Step 2: Convert to fraction form
    1,195.27/1,648.77 = 752.83/x
  3. Step 3: Cross multiply
    1,195.27x = 1,648.77 × 752.83
  4. Step 4: Simplify right side
    1,195.27x = 1,241,243.52
  5. Step 5: Solve for x
    x = 1,241,243.52/1,195.27
  6. Step 6: Final answer
    x = 1,038.46

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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.