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Finding the Fourth Proportional to 1,744.01, 2,615.69 and 703.97

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Solution

The fourth proportional to 1,744.01, 2,615.69 and 703.97 is: 1,055.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.01 : 2,615.69 = 703.97 : x
  2. Step 2: Convert to fraction form
    1,744.01/2,615.69 = 703.97/x
  3. Step 3: Cross multiply
    1,744.01x = 2,615.69 × 703.97
  4. Step 4: Simplify right side
    1,744.01x = 1,841,355.97
  5. Step 5: Solve for x
    x = 1,841,355.97/1,744.01
  6. Step 6: Final answer
    x = 1,055.82

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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.