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Finding the Fourth Proportional to 1,367.84, 2,047.44 and 1,160.48

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Solution

The fourth proportional to 1,367.84, 2,047.44 and 1,160.48 is: 1,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.84 : 2,047.44 = 1,160.48 : x
  2. Step 2: Convert to fraction form
    1,367.84/2,047.44 = 1,160.48/x
  3. Step 3: Cross multiply
    1,367.84x = 2,047.44 × 1,160.48
  4. Step 4: Simplify right side
    1,367.84x = 2,376,013.17
  5. Step 5: Solve for x
    x = 2,376,013.17/1,367.84
  6. Step 6: Final answer
    x = 1,737.05

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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.