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Finding the Fourth Proportional to 66,809.52, 100,223.52 and 22,448.97

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Solution

The fourth proportional to 66,809.52, 100,223.52 and 22,448.97 is: 33,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,809.52 : 100,223.52 = 22,448.97 : x
  2. Step 2: Convert to fraction form
    66,809.52/100,223.52 = 22,448.97/x
  3. Step 3: Cross multiply
    66,809.52x = 100,223.52 × 22,448.97
  4. Step 4: Simplify right side
    66,809.52x = 2,249,914,793.77
  5. Step 5: Solve for x
    x = 2,249,914,793.77/66,809.52
  6. Step 6: Final answer
    x = 33,676.56

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1.5x scale

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.