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Finding the Fourth Proportional to 16,101.98, 22,220.79 and 8,932.40

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Solution

The fourth proportional to 16,101.98, 22,220.79 and 8,932.40 is: 12,326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,101.98 : 22,220.79 = 8,932.40 : x
  2. Step 2: Convert to fraction form
    16,101.98/22,220.79 = 8,932.40/x
  3. Step 3: Cross multiply
    16,101.98x = 22,220.79 × 8,932.40
  4. Step 4: Simplify right side
    16,101.98x = 198,484,984.60
  5. Step 5: Solve for x
    x = 198,484,984.60/16,101.98
  6. Step 6: Final answer
    x = 12,326.74

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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.