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Finding the Fourth Proportional to 16,002.98, 22,084.08 and 8,928.98

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Solution

The fourth proportional to 16,002.98, 22,084.08 and 8,928.98 is: 12,321.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,002.98 : 22,084.08 = 8,928.98 : x
  2. Step 2: Convert to fraction form
    16,002.98/22,084.08 = 8,928.98/x
  3. Step 3: Cross multiply
    16,002.98x = 22,084.08 × 8,928.98
  4. Step 4: Simplify right side
    16,002.98x = 197,188,308.64
  5. Step 5: Solve for x
    x = 197,188,308.64/16,002.98
  6. Step 6: Final answer
    x = 12,321.97

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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.