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Finding the Fourth Proportional to 69,380.40, 95,744.16 and 37,548.56

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Solution

The fourth proportional to 69,380.40, 95,744.16 and 37,548.56 is: 51,816.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,380.40 : 95,744.16 = 37,548.56 : x
  2. Step 2: Convert to fraction form
    69,380.40/95,744.16 = 37,548.56/x
  3. Step 3: Cross multiply
    69,380.40x = 95,744.16 × 37,548.56
  4. Step 4: Simplify right side
    69,380.40x = 3,595,055,336.41
  5. Step 5: Solve for x
    x = 3,595,055,336.41/69,380.40
  6. Step 6: Final answer
    x = 51,816.58

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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.