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Finding the Fourth Proportional to 60,081.90, 82,909.70 and 33,222.81

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Solution

The fourth proportional to 60,081.90, 82,909.70 and 33,222.81 is: 45,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,081.90 : 82,909.70 = 33,222.81 : x
  2. Step 2: Convert to fraction form
    60,081.90/82,909.70 = 33,222.81/x
  3. Step 3: Cross multiply
    60,081.90x = 82,909.70 × 33,222.81
  4. Step 4: Simplify right side
    60,081.90x = 2,754,493,044.14
  5. Step 5: Solve for x
    x = 2,754,493,044.14/60,081.90
  6. Step 6: Final answer
    x = 45,845.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.