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Finding the Fourth Proportional to 66,959.65, 100,369.38 and 22,571.05

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Solution

The fourth proportional to 66,959.65, 100,369.38 and 22,571.05 is: 33,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,959.65 : 100,369.38 = 22,571.05 : x
  2. Step 2: Convert to fraction form
    66,959.65/100,369.38 = 22,571.05/x
  3. Step 3: Cross multiply
    66,959.65x = 100,369.38 × 22,571.05
  4. Step 4: Simplify right side
    66,959.65x = 2,265,442,294.45
  5. Step 5: Solve for x
    x = 2,265,442,294.45/66,959.65
  6. Step 6: Final answer
    x = 33,832.95

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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.