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Finding the Fourth Proportional to 1,104.99, 1,524.33 and 706.74

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Solution

The fourth proportional to 1,104.99, 1,524.33 and 706.74 is: 974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.99 : 1,524.33 = 706.74 : x
  2. Step 2: Convert to fraction form
    1,104.99/1,524.33 = 706.74/x
  3. Step 3: Cross multiply
    1,104.99x = 1,524.33 × 706.74
  4. Step 4: Simplify right side
    1,104.99x = 1,077,304.98
  5. Step 5: Solve for x
    x = 1,077,304.98/1,104.99
  6. Step 6: Final answer
    x = 974.95

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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.