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Finding the Fourth Proportional to 1,203.13, 1,659.48 and 737.38

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Solution

The fourth proportional to 1,203.13, 1,659.48 and 737.38 is: 1,017.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203.13 : 1,659.48 = 737.38 : x
  2. Step 2: Convert to fraction form
    1,203.13/1,659.48 = 737.38/x
  3. Step 3: Cross multiply
    1,203.13x = 1,659.48 × 737.38
  4. Step 4: Simplify right side
    1,203.13x = 1,223,667.36
  5. Step 5: Solve for x
    x = 1,223,667.36/1,203.13
  6. Step 6: Final answer
    x = 1,017.07

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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.