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Finding the Fourth Proportional to 1,357.92, 2,027.03 and 1,193.90

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Solution

The fourth proportional to 1,357.92, 2,027.03 and 1,193.90 is: 1,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357.92 : 2,027.03 = 1,193.90 : x
  2. Step 2: Convert to fraction form
    1,357.92/2,027.03 = 1,193.90/x
  3. Step 3: Cross multiply
    1,357.92x = 2,027.03 × 1,193.90
  4. Step 4: Simplify right side
    1,357.92x = 2,420,055.01
  5. Step 5: Solve for x
    x = 2,420,055.01/1,357.92
  6. Step 6: Final answer
    x = 1,782.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.