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Finding the Fourth Proportional to 16,333.12, 22,539.60 and 8,881.12

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Solution

The fourth proportional to 16,333.12, 22,539.60 and 8,881.12 is: 12,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,333.12 : 22,539.60 = 8,881.12 : x
  2. Step 2: Convert to fraction form
    16,333.12/22,539.60 = 8,881.12/x
  3. Step 3: Cross multiply
    16,333.12x = 22,539.60 × 8,881.12
  4. Step 4: Simplify right side
    16,333.12x = 200,176,892.35
  5. Step 5: Solve for x
    x = 200,176,892.35/16,333.12
  6. Step 6: Final answer
    x = 12,255.89

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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.