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Finding the Fourth Proportional to 1,160.27, 1,603.29 and 844.99

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Solution

The fourth proportional to 1,160.27, 1,603.29 and 844.99 is: 1,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.27 : 1,603.29 = 844.99 : x
  2. Step 2: Convert to fraction form
    1,160.27/1,603.29 = 844.99/x
  3. Step 3: Cross multiply
    1,160.27x = 1,603.29 × 844.99
  4. Step 4: Simplify right side
    1,160.27x = 1,354,756.00
  5. Step 5: Solve for x
    x = 1,354,756.00/1,160.27
  6. Step 6: Final answer
    x = 1,167.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.