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Finding the Fourth Proportional to 69,769.74, 104,653.38 and 19,850.24

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Solution

The fourth proportional to 69,769.74, 104,653.38 and 19,850.24 is: 29,775.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,769.74 : 104,653.38 = 19,850.24 : x
  2. Step 2: Convert to fraction form
    69,769.74/104,653.38 = 19,850.24/x
  3. Step 3: Cross multiply
    69,769.74x = 104,653.38 × 19,850.24
  4. Step 4: Simplify right side
    69,769.74x = 2,077,394,709.81
  5. Step 5: Solve for x
    x = 2,077,394,709.81/69,769.74
  6. Step 6: Final answer
    x = 29,775.01

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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.