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Finding the Fourth Proportional to 65,367.36, 90,204.30 and 37,072.44

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Solution

The fourth proportional to 65,367.36, 90,204.30 and 37,072.44 is: 51,158.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,367.36 : 90,204.30 = 37,072.44 : x
  2. Step 2: Convert to fraction form
    65,367.36/90,204.30 = 37,072.44/x
  3. Step 3: Cross multiply
    65,367.36x = 90,204.30 × 37,072.44
  4. Step 4: Simplify right side
    65,367.36x = 3,344,093,499.49
  5. Step 5: Solve for x
    x = 3,344,093,499.49/65,367.36
  6. Step 6: Final answer
    x = 51,158.46

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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.