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Finding the Fourth Proportional to 59,906.36, 89,859.68 and 33,613.15

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Solution

The fourth proportional to 59,906.36, 89,859.68 and 33,613.15 is: 50,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,906.36 : 89,859.68 = 33,613.15 : x
  2. Step 2: Convert to fraction form
    59,906.36/89,859.68 = 33,613.15/x
  3. Step 3: Cross multiply
    59,906.36x = 89,859.68 × 33,613.15
  4. Step 4: Simplify right side
    59,906.36x = 3,020,466,902.79
  5. Step 5: Solve for x
    x = 3,020,466,902.79/59,906.36
  6. Step 6: Final answer
    x = 50,419.80

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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.