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Finding the Fourth Proportional to 15,958.00, 22,022.01 and 8,886.09

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Solution

The fourth proportional to 15,958.00, 22,022.01 and 8,886.09 is: 12,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,958.00 : 22,022.01 = 8,886.09 : x
  2. Step 2: Convert to fraction form
    15,958.00/22,022.01 = 8,886.09/x
  3. Step 3: Cross multiply
    15,958.00x = 22,022.01 × 8,886.09
  4. Step 4: Simplify right side
    15,958.00x = 195,689,645.42
  5. Step 5: Solve for x
    x = 195,689,645.42/15,958.00
  6. Step 6: Final answer
    x = 12,262.79

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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.