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Finding the Fourth Proportional to 69,832.80, 104,763.60 and 23,118.48

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Solution

The fourth proportional to 69,832.80, 104,763.60 and 23,118.48 is: 34,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,832.80 : 104,763.60 = 23,118.48 : x
  2. Step 2: Convert to fraction form
    69,832.80/104,763.60 = 23,118.48/x
  3. Step 3: Cross multiply
    69,832.80x = 104,763.60 × 23,118.48
  4. Step 4: Simplify right side
    69,832.80x = 2,421,975,191.33
  5. Step 5: Solve for x
    x = 2,421,975,191.33/69,832.80
  6. Step 6: Final answer
    x = 34,682.49

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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.