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Finding the Fourth Proportional to 1,757.56, 2,634.72 and 602.50

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Solution

The fourth proportional to 1,757.56, 2,634.72 and 602.50 is: 903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.56 : 2,634.72 = 602.50 : x
  2. Step 2: Convert to fraction form
    1,757.56/2,634.72 = 602.50/x
  3. Step 3: Cross multiply
    1,757.56x = 2,634.72 × 602.50
  4. Step 4: Simplify right side
    1,757.56x = 1,587,418.80
  5. Step 5: Solve for x
    x = 1,587,418.80/1,757.56
  6. Step 6: Final answer
    x = 903.19

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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.