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Finding the Fourth Proportional to 1,835.70, 2,754.15 and 849.17

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Solution

The fourth proportional to 1,835.70, 2,754.15 and 849.17 is: 1,274.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.70 : 2,754.15 = 849.17 : x
  2. Step 2: Convert to fraction form
    1,835.70/2,754.15 = 849.17/x
  3. Step 3: Cross multiply
    1,835.70x = 2,754.15 × 849.17
  4. Step 4: Simplify right side
    1,835.70x = 2,338,726.46
  5. Step 5: Solve for x
    x = 2,338,726.46/1,835.70
  6. Step 6: Final answer
    x = 1,274.02

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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.