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Finding the Fourth Proportional to 16,889.68, 25,338.93 and 6,359.79

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Solution

The fourth proportional to 16,889.68, 25,338.93 and 6,359.79 is: 9,541.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,889.68 : 25,338.93 = 6,359.79 : x
  2. Step 2: Convert to fraction form
    16,889.68/25,338.93 = 6,359.79/x
  3. Step 3: Cross multiply
    16,889.68x = 25,338.93 × 6,359.79
  4. Step 4: Simplify right side
    16,889.68x = 161,150,273.53
  5. Step 5: Solve for x
    x = 161,150,273.53/16,889.68
  6. Step 6: Final answer
    x = 9,541.34

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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.