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Finding the Fourth Proportional to 1,106.56, 1,524.26 and 844.12

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Solution

The fourth proportional to 1,106.56, 1,524.26 and 844.12 is: 1,162.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106.56 : 1,524.26 = 844.12 : x
  2. Step 2: Convert to fraction form
    1,106.56/1,524.26 = 844.12/x
  3. Step 3: Cross multiply
    1,106.56x = 1,524.26 × 844.12
  4. Step 4: Simplify right side
    1,106.56x = 1,286,658.35
  5. Step 5: Solve for x
    x = 1,286,658.35/1,106.56
  6. Step 6: Final answer
    x = 1,162.76

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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.