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Finding the Fourth Proportional to 45,863.99, 68,806.31 and 16,281.78

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Solution

The fourth proportional to 45,863.99, 68,806.31 and 16,281.78 is: 24,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,863.99 : 68,806.31 = 16,281.78 : x
  2. Step 2: Convert to fraction form
    45,863.99/68,806.31 = 16,281.78/x
  3. Step 3: Cross multiply
    45,863.99x = 68,806.31 × 16,281.78
  4. Step 4: Simplify right side
    45,863.99x = 1,120,289,120.62
  5. Step 5: Solve for x
    x = 1,120,289,120.62/45,863.99
  6. Step 6: Final answer
    x = 24,426.34

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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.