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Finding the Fourth Proportional to 45,611.88, 62,886.78 and 38,799.24

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Solution

The fourth proportional to 45,611.88, 62,886.78 and 38,799.24 is: 53,493.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,611.88 : 62,886.78 = 38,799.24 : x
  2. Step 2: Convert to fraction form
    45,611.88/62,886.78 = 38,799.24/x
  3. Step 3: Cross multiply
    45,611.88x = 62,886.78 × 38,799.24
  4. Step 4: Simplify right side
    45,611.88x = 2,439,959,270.05
  5. Step 5: Solve for x
    x = 2,439,959,270.05/45,611.88
  6. Step 6: Final answer
    x = 53,493.94

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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.