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Finding the Fourth Proportional to 1,206.52, 1,808.16 and 1,063.96

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Solution

The fourth proportional to 1,206.52, 1,808.16 and 1,063.96 is: 1,594.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206.52 : 1,808.16 = 1,063.96 : x
  2. Step 2: Convert to fraction form
    1,206.52/1,808.16 = 1,063.96/x
  3. Step 3: Cross multiply
    1,206.52x = 1,808.16 × 1,063.96
  4. Step 4: Simplify right side
    1,206.52x = 1,923,809.91
  5. Step 5: Solve for x
    x = 1,923,809.91/1,206.52
  6. Step 6: Final answer
    x = 1,594.51

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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.