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Finding the Fourth Proportional to 16,658.37, 22,986.34 and 10,698.11

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Solution

The fourth proportional to 16,658.37, 22,986.34 and 10,698.11 is: 14,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.37 : 22,986.34 = 10,698.11 : x
  2. Step 2: Convert to fraction form
    16,658.37/22,986.34 = 10,698.11/x
  3. Step 3: Cross multiply
    16,658.37x = 22,986.34 × 10,698.11
  4. Step 4: Simplify right side
    16,658.37x = 245,910,424.54
  5. Step 5: Solve for x
    x = 245,910,424.54/16,658.37
  6. Step 6: Final answer
    x = 14,761.97

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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.