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Finding the Fourth Proportional to 69,841.56, 104,772.12 and 22,440.72

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Solution

The fourth proportional to 69,841.56, 104,772.12 and 22,440.72 is: 33,664.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,841.56 : 104,772.12 = 22,440.72 : x
  2. Step 2: Convert to fraction form
    69,841.56/104,772.12 = 22,440.72/x
  3. Step 3: Cross multiply
    69,841.56x = 104,772.12 × 22,440.72
  4. Step 4: Simplify right side
    69,841.56x = 2,351,161,808.73
  5. Step 5: Solve for x
    x = 2,351,161,808.73/69,841.56
  6. Step 6: Final answer
    x = 33,664.22

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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.