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Finding the Fourth Proportional to 1,250.58, 1,725.96 and 726.62

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Solution

The fourth proportional to 1,250.58, 1,725.96 and 726.62 is: 1,002.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.58 : 1,725.96 = 726.62 : x
  2. Step 2: Convert to fraction form
    1,250.58/1,725.96 = 726.62/x
  3. Step 3: Cross multiply
    1,250.58x = 1,725.96 × 726.62
  4. Step 4: Simplify right side
    1,250.58x = 1,254,108.43
  5. Step 5: Solve for x
    x = 1,254,108.43/1,250.58
  6. Step 6: Final answer
    x = 1,002.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.