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Finding the Fourth Proportional to 1,726.90, 2,591.00 and 1,034.06

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Solution

The fourth proportional to 1,726.90, 2,591.00 and 1,034.06 is: 1,551.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.90 : 2,591.00 = 1,034.06 : x
  2. Step 2: Convert to fraction form
    1,726.90/2,591.00 = 1,034.06/x
  3. Step 3: Cross multiply
    1,726.90x = 2,591.00 × 1,034.06
  4. Step 4: Simplify right side
    1,726.90x = 2,679,244.93
  5. Step 5: Solve for x
    x = 2,679,244.93/1,726.90
  6. Step 6: Final answer
    x = 1,551.48

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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.