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Finding the Fourth Proportional to 16,555.70, 22,846.97 and 9,002.02

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Solution

The fourth proportional to 16,555.70, 22,846.97 and 9,002.02 is: 12,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,555.70 : 22,846.97 = 9,002.02 : x
  2. Step 2: Convert to fraction form
    16,555.70/22,846.97 = 9,002.02/x
  3. Step 3: Cross multiply
    16,555.70x = 22,846.97 × 9,002.02
  4. Step 4: Simplify right side
    16,555.70x = 205,668,846.27
  5. Step 5: Solve for x
    x = 205,668,846.27/16,555.70
  6. Step 6: Final answer
    x = 12,422.85

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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.