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Finding the Fourth Proportional to 16,037.71, 22,131.56 and 8,964.11

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Solution

The fourth proportional to 16,037.71, 22,131.56 and 8,964.11 is: 12,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,037.71 : 22,131.56 = 8,964.11 : x
  2. Step 2: Convert to fraction form
    16,037.71/22,131.56 = 8,964.11/x
  3. Step 3: Cross multiply
    16,037.71x = 22,131.56 × 8,964.11
  4. Step 4: Simplify right side
    16,037.71x = 198,389,738.31
  5. Step 5: Solve for x
    x = 198,389,738.31/16,037.71
  6. Step 6: Final answer
    x = 12,370.20

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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.