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Finding the Fourth Proportional to 66,956.65, 100,364.89 and 22,568.06

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Solution

The fourth proportional to 66,956.65, 100,364.89 and 22,568.06 is: 33,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,956.65 : 100,364.89 = 22,568.06 : x
  2. Step 2: Convert to fraction form
    66,956.65/100,364.89 = 22,568.06/x
  3. Step 3: Cross multiply
    66,956.65x = 100,364.89 × 22,568.06
  4. Step 4: Simplify right side
    66,956.65x = 2,265,040,859.41
  5. Step 5: Solve for x
    x = 2,265,040,859.41/66,956.65
  6. Step 6: Final answer
    x = 33,828.47

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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.