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Finding the Fourth Proportional to 70,348.50, 105,548.67 and 37,067.22

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Solution

The fourth proportional to 70,348.50, 105,548.67 and 37,067.22 is: 55,614.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,348.50 : 105,548.67 = 37,067.22 : x
  2. Step 2: Convert to fraction form
    70,348.50/105,548.67 = 37,067.22/x
  3. Step 3: Cross multiply
    70,348.50x = 105,548.67 × 37,067.22
  4. Step 4: Simplify right side
    70,348.50x = 3,912,395,771.60
  5. Step 5: Solve for x
    x = 3,912,395,771.60/70,348.50
  6. Step 6: Final answer
    x = 55,614.49

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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.