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Finding the Fourth Proportional to 40,065.50, 60,081.84 and 17,863.69

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Solution

The fourth proportional to 40,065.50, 60,081.84 and 17,863.69 is: 26,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,065.50 : 60,081.84 = 17,863.69 : x
  2. Step 2: Convert to fraction form
    40,065.50/60,081.84 = 17,863.69/x
  3. Step 3: Cross multiply
    40,065.50x = 60,081.84 × 17,863.69
  4. Step 4: Simplify right side
    40,065.50x = 1,073,283,364.39
  5. Step 5: Solve for x
    x = 1,073,283,364.39/40,065.50
  6. Step 6: Final answer
    x = 26,788.22

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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.