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Finding the Fourth Proportional to 60,769.80, 91,150.38 and 16,399.08

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Solution

The fourth proportional to 60,769.80, 91,150.38 and 16,399.08 is: 24,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,769.80 : 91,150.38 = 16,399.08 : x
  2. Step 2: Convert to fraction form
    60,769.80/91,150.38 = 16,399.08/x
  3. Step 3: Cross multiply
    60,769.80x = 91,150.38 × 16,399.08
  4. Step 4: Simplify right side
    60,769.80x = 1,494,782,373.65
  5. Step 5: Solve for x
    x = 1,494,782,373.65/60,769.80
  6. Step 6: Final answer
    x = 24,597.45

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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.