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Finding the Fourth Proportional to 69,785.68, 104,676.56 and 22,400.40

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Solution

The fourth proportional to 69,785.68, 104,676.56 and 22,400.40 is: 33,599.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,785.68 : 104,676.56 = 22,400.40 : x
  2. Step 2: Convert to fraction form
    69,785.68/104,676.56 = 22,400.40/x
  3. Step 3: Cross multiply
    69,785.68x = 104,676.56 × 22,400.40
  4. Step 4: Simplify right side
    69,785.68x = 2,344,796,814.62
  5. Step 5: Solve for x
    x = 2,344,796,814.62/69,785.68
  6. Step 6: Final answer
    x = 33,599.97

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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.