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Finding the Fourth Proportional to 22,720.47, 34,083.87 and 7,927.26

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Solution

The fourth proportional to 22,720.47, 34,083.87 and 7,927.26 is: 11,891.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720.47 : 34,083.87 = 7,927.26 : x
  2. Step 2: Convert to fraction form
    22,720.47/34,083.87 = 7,927.26/x
  3. Step 3: Cross multiply
    22,720.47x = 34,083.87 × 7,927.26
  4. Step 4: Simplify right side
    22,720.47x = 270,191,699.30
  5. Step 5: Solve for x
    x = 270,191,699.30/22,720.47
  6. Step 6: Final answer
    x = 11,891.99

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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.