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Finding the Fourth Proportional to 16,425.16, 22,664.11 and 9,351.72

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Solution

The fourth proportional to 16,425.16, 22,664.11 and 9,351.72 is: 12,903.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,425.16 : 22,664.11 = 9,351.72 : x
  2. Step 2: Convert to fraction form
    16,425.16/22,664.11 = 9,351.72/x
  3. Step 3: Cross multiply
    16,425.16x = 22,664.11 × 9,351.72
  4. Step 4: Simplify right side
    16,425.16x = 211,948,250.69
  5. Step 5: Solve for x
    x = 211,948,250.69/16,425.16
  6. Step 6: Final answer
    x = 12,903.88

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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.