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Finding the Fourth Proportional to 1,352.33, 2,027.71 and 529.64

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Solution

The fourth proportional to 1,352.33, 2,027.71 and 529.64 is: 794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.33 : 2,027.71 = 529.64 : x
  2. Step 2: Convert to fraction form
    1,352.33/2,027.71 = 529.64/x
  3. Step 3: Cross multiply
    1,352.33x = 2,027.71 × 529.64
  4. Step 4: Simplify right side
    1,352.33x = 1,073,943.54
  5. Step 5: Solve for x
    x = 1,073,943.54/1,352.33
  6. Step 6: Final answer
    x = 794.15

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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.