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Finding the Fourth Proportional to 1,928.52, 2,894.52 and 1,199.52

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Solution

The fourth proportional to 1,928.52, 2,894.52 and 1,199.52 is: 1,800.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.52 : 2,894.52 = 1,199.52 : x
  2. Step 2: Convert to fraction form
    1,928.52/2,894.52 = 1,199.52/x
  3. Step 3: Cross multiply
    1,928.52x = 2,894.52 × 1,199.52
  4. Step 4: Simplify right side
    1,928.52x = 3,472,034.63
  5. Step 5: Solve for x
    x = 3,472,034.63/1,928.52
  6. Step 6: Final answer
    x = 1,800.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.