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Finding the Fourth Proportional to 69,592.48, 104,388.72 and 20,344.48

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Solution

The fourth proportional to 69,592.48, 104,388.72 and 20,344.48 is: 30,516.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,592.48 : 104,388.72 = 20,344.48 : x
  2. Step 2: Convert to fraction form
    69,592.48/104,388.72 = 20,344.48/x
  3. Step 3: Cross multiply
    69,592.48x = 104,388.72 × 20,344.48
  4. Step 4: Simplify right side
    69,592.48x = 2,123,734,226.27
  5. Step 5: Solve for x
    x = 2,123,734,226.27/69,592.48
  6. Step 6: Final answer
    x = 30,516.72

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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.