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Finding the Fourth Proportional to 69,769.37, 96,274.44 and 39,548.68

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Solution

The fourth proportional to 69,769.37, 96,274.44 and 39,548.68 is: 54,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,769.37 : 96,274.44 = 39,548.68 : x
  2. Step 2: Convert to fraction form
    69,769.37/96,274.44 = 39,548.68/x
  3. Step 3: Cross multiply
    69,769.37x = 96,274.44 × 39,548.68
  4. Step 4: Simplify right side
    69,769.37x = 3,807,527,019.74
  5. Step 5: Solve for x
    x = 3,807,527,019.74/69,769.37
  6. Step 6: Final answer
    x = 54,573.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.