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Finding the Fourth Proportional to 1,252.46, 1,729.00 and 833.51

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Solution

The fourth proportional to 1,252.46, 1,729.00 and 833.51 is: 1,150.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.46 : 1,729.00 = 833.51 : x
  2. Step 2: Convert to fraction form
    1,252.46/1,729.00 = 833.51/x
  3. Step 3: Cross multiply
    1,252.46x = 1,729.00 × 833.51
  4. Step 4: Simplify right side
    1,252.46x = 1,441,125.98
  5. Step 5: Solve for x
    x = 1,441,125.98/1,252.46
  6. Step 6: Final answer
    x = 1,150.64

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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.