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Finding the Fourth Proportional to 1,252.47, 1,729.13 and 833.41

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Solution

The fourth proportional to 1,252.47, 1,729.13 and 833.41 is: 1,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.47 : 1,729.13 = 833.41 : x
  2. Step 2: Convert to fraction form
    1,252.47/1,729.13 = 833.41/x
  3. Step 3: Cross multiply
    1,252.47x = 1,729.13 × 833.41
  4. Step 4: Simplify right side
    1,252.47x = 1,441,074.23
  5. Step 5: Solve for x
    x = 1,441,074.23/1,252.47
  6. Step 6: Final answer
    x = 1,150.59

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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.