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Finding the Fourth Proportional to 86,608.71, 130,033.89 and 44,524.49

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Solution

The fourth proportional to 86,608.71, 130,033.89 and 44,524.49 is: 66,848.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,608.71 : 130,033.89 = 44,524.49 : x
  2. Step 2: Convert to fraction form
    86,608.71/130,033.89 = 44,524.49/x
  3. Step 3: Cross multiply
    86,608.71x = 130,033.89 × 44,524.49
  4. Step 4: Simplify right side
    86,608.71x = 5,789,691,984.80
  5. Step 5: Solve for x
    x = 5,789,691,984.80/86,608.71
  6. Step 6: Final answer
    x = 66,848.84

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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.