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Finding the Fourth Proportional to 21,589.91, 32,386.02 and 6,799.98

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Solution

The fourth proportional to 21,589.91, 32,386.02 and 6,799.98 is: 10,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589.91 : 32,386.02 = 6,799.98 : x
  2. Step 2: Convert to fraction form
    21,589.91/32,386.02 = 6,799.98/x
  3. Step 3: Cross multiply
    21,589.91x = 32,386.02 × 6,799.98
  4. Step 4: Simplify right side
    21,589.91x = 220,224,288.28
  5. Step 5: Solve for x
    x = 220,224,288.28/21,589.91
  6. Step 6: Final answer
    x = 10,200.33

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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.