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Finding the Fourth Proportional to 61,662.80, 92,494.20 and 22,221.20

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Solution

The fourth proportional to 61,662.80, 92,494.20 and 22,221.20 is: 33,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,662.80 : 92,494.20 = 22,221.20 : x
  2. Step 2: Convert to fraction form
    61,662.80/92,494.20 = 22,221.20/x
  3. Step 3: Cross multiply
    61,662.80x = 92,494.20 × 22,221.20
  4. Step 4: Simplify right side
    61,662.80x = 2,055,332,117.04
  5. Step 5: Solve for x
    x = 2,055,332,117.04/61,662.80
  6. Step 6: Final answer
    x = 33,331.80

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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.