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Finding the Fourth Proportional to 1,743.32, 2,614.75 and 703.89

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Solution

The fourth proportional to 1,743.32, 2,614.75 and 703.89 is: 1,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.32 : 2,614.75 = 703.89 : x
  2. Step 2: Convert to fraction form
    1,743.32/2,614.75 = 703.89/x
  3. Step 3: Cross multiply
    1,743.32x = 2,614.75 × 703.89
  4. Step 4: Simplify right side
    1,743.32x = 1,840,494.62
  5. Step 5: Solve for x
    x = 1,840,494.62/1,743.32
  6. Step 6: Final answer
    x = 1,055.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.