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Finding the Fourth Proportional to 1,206.92, 1,801.54 and 1,052.84

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Solution

The fourth proportional to 1,206.92, 1,801.54 and 1,052.84 is: 1,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206.92 : 1,801.54 = 1,052.84 : x
  2. Step 2: Convert to fraction form
    1,206.92/1,801.54 = 1,052.84/x
  3. Step 3: Cross multiply
    1,206.92x = 1,801.54 × 1,052.84
  4. Step 4: Simplify right side
    1,206.92x = 1,896,733.37
  5. Step 5: Solve for x
    x = 1,896,733.37/1,206.92
  6. Step 6: Final answer
    x = 1,571.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.