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Finding the Fourth Proportional to 16,959.56, 25,439.62 and 5,866.54

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Solution

The fourth proportional to 16,959.56, 25,439.62 and 5,866.54 is: 8,799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,959.56 : 25,439.62 = 5,866.54 : x
  2. Step 2: Convert to fraction form
    16,959.56/25,439.62 = 5,866.54/x
  3. Step 3: Cross multiply
    16,959.56x = 25,439.62 × 5,866.54
  4. Step 4: Simplify right side
    16,959.56x = 149,242,548.31
  5. Step 5: Solve for x
    x = 149,242,548.31/16,959.56
  6. Step 6: Final answer
    x = 8,799.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.