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Finding the Fourth Proportional to 1,725.22, 2,588.10 and 801.73

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Solution

The fourth proportional to 1,725.22, 2,588.10 and 801.73 is: 1,202.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.22 : 2,588.10 = 801.73 : x
  2. Step 2: Convert to fraction form
    1,725.22/2,588.10 = 801.73/x
  3. Step 3: Cross multiply
    1,725.22x = 2,588.10 × 801.73
  4. Step 4: Simplify right side
    1,725.22x = 2,074,957.41
  5. Step 5: Solve for x
    x = 2,074,957.41/1,725.22
  6. Step 6: Final answer
    x = 1,202.72

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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.