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Finding the Fourth Proportional to 65,959.38, 98,869.41 and 21,574.26

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Solution

The fourth proportional to 65,959.38, 98,869.41 and 21,574.26 is: 32,338.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,959.38 : 98,869.41 = 21,574.26 : x
  2. Step 2: Convert to fraction form
    65,959.38/98,869.41 = 21,574.26/x
  3. Step 3: Cross multiply
    65,959.38x = 98,869.41 × 21,574.26
  4. Step 4: Simplify right side
    65,959.38x = 2,133,034,357.39
  5. Step 5: Solve for x
    x = 2,133,034,357.39/65,959.38
  6. Step 6: Final answer
    x = 32,338.61

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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.