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Finding the Fourth Proportional to 1,835.40, 2,753.40 and 1,014.47

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Solution

The fourth proportional to 1,835.40, 2,753.40 and 1,014.47 is: 1,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.40 : 2,753.40 = 1,014.47 : x
  2. Step 2: Convert to fraction form
    1,835.40/2,753.40 = 1,014.47/x
  3. Step 3: Cross multiply
    1,835.40x = 2,753.40 × 1,014.47
  4. Step 4: Simplify right side
    1,835.40x = 2,793,241.70
  5. Step 5: Solve for x
    x = 2,793,241.70/1,835.40
  6. Step 6: Final answer
    x = 1,521.87

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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.