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Finding the Fourth Proportional to 69,179.52, 103,783.86 and 22,428.76

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Solution

The fourth proportional to 69,179.52, 103,783.86 and 22,428.76 is: 33,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,179.52 : 103,783.86 = 22,428.76 : x
  2. Step 2: Convert to fraction form
    69,179.52/103,783.86 = 22,428.76/x
  3. Step 3: Cross multiply
    69,179.52x = 103,783.86 × 22,428.76
  4. Step 4: Simplify right side
    69,179.52x = 2,327,743,287.81
  5. Step 5: Solve for x
    x = 2,327,743,287.81/69,179.52
  6. Step 6: Final answer
    x = 33,647.87

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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.