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Finding the Fourth Proportional to 67,033.20, 100,563.30 and 19,648.20

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Solution

The fourth proportional to 67,033.20, 100,563.30 and 19,648.20 is: 29,476.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,033.20 : 100,563.30 = 19,648.20 : x
  2. Step 2: Convert to fraction form
    67,033.20/100,563.30 = 19,648.20/x
  3. Step 3: Cross multiply
    67,033.20x = 100,563.30 × 19,648.20
  4. Step 4: Simplify right side
    67,033.20x = 1,975,887,831.06
  5. Step 5: Solve for x
    x = 1,975,887,831.06/67,033.20
  6. Step 6: Final answer
    x = 29,476.26

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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.