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Finding the Fourth Proportional to 1,181.92, 1,772.13 and 565.62

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Solution

The fourth proportional to 1,181.92, 1,772.13 and 565.62 is: 848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181.92 : 1,772.13 = 565.62 : x
  2. Step 2: Convert to fraction form
    1,181.92/1,772.13 = 565.62/x
  3. Step 3: Cross multiply
    1,181.92x = 1,772.13 × 565.62
  4. Step 4: Simplify right side
    1,181.92x = 1,002,352.17
  5. Step 5: Solve for x
    x = 1,002,352.17/1,181.92
  6. Step 6: Final answer
    x = 848.07

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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.