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Finding the Fourth Proportional to 69,561.88, 95,992.80 and 37,729.72

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Solution

The fourth proportional to 69,561.88, 95,992.80 and 37,729.72 is: 52,065.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,561.88 : 95,992.80 = 37,729.72 : x
  2. Step 2: Convert to fraction form
    69,561.88/95,992.80 = 37,729.72/x
  3. Step 3: Cross multiply
    69,561.88x = 95,992.80 × 37,729.72
  4. Step 4: Simplify right side
    69,561.88x = 3,621,781,466.02
  5. Step 5: Solve for x
    x = 3,621,781,466.02/69,561.88
  6. Step 6: Final answer
    x = 52,065.61

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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.