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Finding the Fourth Proportional to 16,260.39, 22,439.31 and 8,808.39

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Solution

The fourth proportional to 16,260.39, 22,439.31 and 8,808.39 is: 12,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,260.39 : 22,439.31 = 8,808.39 : x
  2. Step 2: Convert to fraction form
    16,260.39/22,439.31 = 8,808.39/x
  3. Step 3: Cross multiply
    16,260.39x = 22,439.31 × 8,808.39
  4. Step 4: Simplify right side
    16,260.39x = 197,654,193.81
  5. Step 5: Solve for x
    x = 197,654,193.81/16,260.39
  6. Step 6: Final answer
    x = 12,155.56

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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.