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Finding the Fourth Proportional to 69,716.72, 96,209.09 and 37,885.55

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Solution

The fourth proportional to 69,716.72, 96,209.09 and 37,885.55 is: 52,282.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,716.72 : 96,209.09 = 37,885.55 : x
  2. Step 2: Convert to fraction form
    69,716.72/96,209.09 = 37,885.55/x
  3. Step 3: Cross multiply
    69,716.72x = 96,209.09 × 37,885.55
  4. Step 4: Simplify right side
    69,716.72x = 3,644,933,903.32
  5. Step 5: Solve for x
    x = 3,644,933,903.32/69,716.72
  6. Step 6: Final answer
    x = 52,282.06

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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.