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Finding the Fourth Proportional to 29,922.78, 44,891.85 and 9,146.22

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Solution

The fourth proportional to 29,922.78, 44,891.85 and 9,146.22 is: 13,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,922.78 : 44,891.85 = 9,146.22 : x
  2. Step 2: Convert to fraction form
    29,922.78/44,891.85 = 9,146.22/x
  3. Step 3: Cross multiply
    29,922.78x = 44,891.85 × 9,146.22
  4. Step 4: Simplify right side
    29,922.78x = 410,590,736.31
  5. Step 5: Solve for x
    x = 410,590,736.31/29,922.78
  6. Step 6: Final answer
    x = 13,721.68

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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.