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Finding the Fourth Proportional to 1,757.88, 2,635.94 and 587.48

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Solution

The fourth proportional to 1,757.88, 2,635.94 and 587.48 is: 880.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.88 : 2,635.94 = 587.48 : x
  2. Step 2: Convert to fraction form
    1,757.88/2,635.94 = 587.48/x
  3. Step 3: Cross multiply
    1,757.88x = 2,635.94 × 587.48
  4. Step 4: Simplify right side
    1,757.88x = 1,548,548.85
  5. Step 5: Solve for x
    x = 1,548,548.85/1,757.88
  6. Step 6: Final answer
    x = 880.92

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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.