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Finding the Fourth Proportional to 19,951.71, 29,936.37 and 10,589.46

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Solution

The fourth proportional to 19,951.71, 29,936.37 and 10,589.46 is: 15,888.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.71 : 29,936.37 = 10,589.46 : x
  2. Step 2: Convert to fraction form
    19,951.71/29,936.37 = 10,589.46/x
  3. Step 3: Cross multiply
    19,951.71x = 29,936.37 × 10,589.46
  4. Step 4: Simplify right side
    19,951.71x = 317,009,992.66
  5. Step 5: Solve for x
    x = 317,009,992.66/19,951.71
  6. Step 6: Final answer
    x = 15,888.86

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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.