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Finding the Fourth Proportional to 69,698.84, 104,489.47 and 30,226.22

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Solution

The fourth proportional to 69,698.84, 104,489.47 and 30,226.22 is: 45,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,698.84 : 104,489.47 = 30,226.22 : x
  2. Step 2: Convert to fraction form
    69,698.84/104,489.47 = 30,226.22/x
  3. Step 3: Cross multiply
    69,698.84x = 104,489.47 × 30,226.22
  4. Step 4: Simplify right side
    69,698.84x = 3,158,321,109.89
  5. Step 5: Solve for x
    x = 3,158,321,109.89/69,698.84
  6. Step 6: Final answer
    x = 45,313.83

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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.