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Finding the Fourth Proportional to 2,026.14, 3,037.02 and 726.90

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Solution

The fourth proportional to 2,026.14, 3,037.02 and 726.90 is: 1,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.14 : 3,037.02 = 726.90 : x
  2. Step 2: Convert to fraction form
    2,026.14/3,037.02 = 726.90/x
  3. Step 3: Cross multiply
    2,026.14x = 3,037.02 × 726.90
  4. Step 4: Simplify right side
    2,026.14x = 2,207,609.84
  5. Step 5: Solve for x
    x = 2,207,609.84/2,026.14
  6. Step 6: Final answer
    x = 1,089.56

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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.