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Finding the Fourth Proportional to 1,025.52, 1,535.54 and 537.54

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Solution

The fourth proportional to 1,025.52, 1,535.54 and 537.54 is: 804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.52 : 1,535.54 = 537.54 : x
  2. Step 2: Convert to fraction form
    1,025.52/1,535.54 = 537.54/x
  3. Step 3: Cross multiply
    1,025.52x = 1,535.54 × 537.54
  4. Step 4: Simplify right side
    1,025.52x = 825,421.27
  5. Step 5: Solve for x
    x = 825,421.27/1,025.52
  6. Step 6: Final answer
    x = 804.88

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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.