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Finding the Fourth Proportional to 1,261.11, 1,740.07 and 737.04

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Solution

The fourth proportional to 1,261.11, 1,740.07 and 737.04 is: 1,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261.11 : 1,740.07 = 737.04 : x
  2. Step 2: Convert to fraction form
    1,261.11/1,740.07 = 737.04/x
  3. Step 3: Cross multiply
    1,261.11x = 1,740.07 × 737.04
  4. Step 4: Simplify right side
    1,261.11x = 1,282,488.81
  5. Step 5: Solve for x
    x = 1,282,488.81/1,261.11
  6. Step 6: Final answer
    x = 1,016.96

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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.