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Finding the Fourth Proportional to 1,069.62, 1,614.44 and 1,069.62

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Solution

The fourth proportional to 1,069.62, 1,614.44 and 1,069.62 is: 1,614.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069.62 : 1,614.44 = 1,069.62 : x
  2. Step 2: Convert to fraction form
    1,069.62/1,614.44 = 1,069.62/x
  3. Step 3: Cross multiply
    1,069.62x = 1,614.44 × 1,069.62
  4. Step 4: Simplify right side
    1,069.62x = 1,726,831.96
  5. Step 5: Solve for x
    x = 1,726,831.96/1,069.62
  6. Step 6: Final answer
    x = 1,614.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.