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Finding the Fourth Proportional to 66,593.91, 99,906.93 and 22,221.03

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Solution

The fourth proportional to 66,593.91, 99,906.93 and 22,221.03 is: 33,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,593.91 : 99,906.93 = 22,221.03 : x
  2. Step 2: Convert to fraction form
    66,593.91/99,906.93 = 22,221.03/x
  3. Step 3: Cross multiply
    66,593.91x = 99,906.93 × 22,221.03
  4. Step 4: Simplify right side
    66,593.91x = 2,220,034,888.74
  5. Step 5: Solve for x
    x = 2,220,034,888.74/66,593.91
  6. Step 6: Final answer
    x = 33,336.91

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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.