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Finding the Fourth Proportional to 29,780.88, 44,591.31 and 15,711.63

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Solution

The fourth proportional to 29,780.88, 44,591.31 and 15,711.63 is: 23,525.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,780.88 : 44,591.31 = 15,711.63 : x
  2. Step 2: Convert to fraction form
    29,780.88/44,591.31 = 15,711.63/x
  3. Step 3: Cross multiply
    29,780.88x = 44,591.31 × 15,711.63
  4. Step 4: Simplify right side
    29,780.88x = 700,602,163.94
  5. Step 5: Solve for x
    x = 700,602,163.94/29,780.88
  6. Step 6: Final answer
    x = 23,525.23

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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.