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Finding the Fourth Proportional to 21,759.29, 32,633.03 and 5,960.51

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Solution

The fourth proportional to 21,759.29, 32,633.03 and 5,960.51 is: 8,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,759.29 : 32,633.03 = 5,960.51 : x
  2. Step 2: Convert to fraction form
    21,759.29/32,633.03 = 5,960.51/x
  3. Step 3: Cross multiply
    21,759.29x = 32,633.03 × 5,960.51
  4. Step 4: Simplify right side
    21,759.29x = 194,509,308.68
  5. Step 5: Solve for x
    x = 194,509,308.68/21,759.29
  6. Step 6: Final answer
    x = 8,939.14

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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.