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Finding the Fourth Proportional to 16,299.95, 22,494.20 and 8,847.95

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Solution

The fourth proportional to 16,299.95, 22,494.20 and 8,847.95 is: 12,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,299.95 : 22,494.20 = 8,847.95 : x
  2. Step 2: Convert to fraction form
    16,299.95/22,494.20 = 8,847.95/x
  3. Step 3: Cross multiply
    16,299.95x = 22,494.20 × 8,847.95
  4. Step 4: Simplify right side
    16,299.95x = 199,027,400.18
  5. Step 5: Solve for x
    x = 199,027,400.18/16,299.95
  6. Step 6: Final answer
    x = 12,210.31

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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.