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Finding the Fourth Proportional to 1,741.25, 2,611.92 and 587

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Solution

The fourth proportional to 1,741.25, 2,611.92 and 587 is: 880.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.25 : 2,611.92 = 587 : x
  2. Step 2: Convert to fraction form
    1,741.25/2,611.92 = 587/x
  3. Step 3: Cross multiply
    1,741.25x = 2,611.92 × 587
  4. Step 4: Simplify right side
    1,741.25x = 1,533,197.04
  5. Step 5: Solve for x
    x = 1,533,197.04/1,741.25
  6. Step 6: Final answer
    x = 880.52

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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.