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Finding the Fourth Proportional to 1,160.14, 1,737.06 and 849.64

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Solution

The fourth proportional to 1,160.14, 1,737.06 and 849.64 is: 1,272.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.14 : 1,737.06 = 849.64 : x
  2. Step 2: Convert to fraction form
    1,160.14/1,737.06 = 849.64/x
  3. Step 3: Cross multiply
    1,160.14x = 1,737.06 × 849.64
  4. Step 4: Simplify right side
    1,160.14x = 1,475,866.97
  5. Step 5: Solve for x
    x = 1,475,866.97/1,160.14
  6. Step 6: Final answer
    x = 1,272.15

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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.