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Finding the Fourth Proportional to 1,032.75, 1,426.01 and 799.47

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Solution

The fourth proportional to 1,032.75, 1,426.01 and 799.47 is: 1,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.75 : 1,426.01 = 799.47 : x
  2. Step 2: Convert to fraction form
    1,032.75/1,426.01 = 799.47/x
  3. Step 3: Cross multiply
    1,032.75x = 1,426.01 × 799.47
  4. Step 4: Simplify right side
    1,032.75x = 1,140,048.22
  5. Step 5: Solve for x
    x = 1,140,048.22/1,032.75
  6. Step 6: Final answer
    x = 1,103.90

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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.