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Finding the Fourth Proportional to 50,611.95, 75,910.15 and 16,878.56

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Solution

The fourth proportional to 50,611.95, 75,910.15 and 16,878.56 is: 25,315.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,611.95 : 75,910.15 = 16,878.56 : x
  2. Step 2: Convert to fraction form
    50,611.95/75,910.15 = 16,878.56/x
  3. Step 3: Cross multiply
    50,611.95x = 75,910.15 × 16,878.56
  4. Step 4: Simplify right side
    50,611.95x = 1,281,254,200.61
  5. Step 5: Solve for x
    x = 1,281,254,200.61/50,611.95
  6. Step 6: Final answer
    x = 25,315.25

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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.