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Finding the Fourth Proportional to 1,093.24, 1,641.81 and 1,049.19

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Solution

The fourth proportional to 1,093.24, 1,641.81 and 1,049.19 is: 1,575.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093.24 : 1,641.81 = 1,049.19 : x
  2. Step 2: Convert to fraction form
    1,093.24/1,641.81 = 1,049.19/x
  3. Step 3: Cross multiply
    1,093.24x = 1,641.81 × 1,049.19
  4. Step 4: Simplify right side
    1,093.24x = 1,722,570.63
  5. Step 5: Solve for x
    x = 1,722,570.63/1,093.24
  6. Step 6: Final answer
    x = 1,575.66

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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.