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Finding the Fourth Proportional to 69,462.28, 104,212.86 and 27,938.44

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Solution

The fourth proportional to 69,462.28, 104,212.86 and 27,938.44 is: 41,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,462.28 : 104,212.86 = 27,938.44 : x
  2. Step 2: Convert to fraction form
    69,462.28/104,212.86 = 27,938.44/x
  3. Step 3: Cross multiply
    69,462.28x = 104,212.86 × 27,938.44
  4. Step 4: Simplify right side
    69,462.28x = 2,911,544,736.34
  5. Step 5: Solve for x
    x = 2,911,544,736.34/69,462.28
  6. Step 6: Final answer
    x = 41,915.48

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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.