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Finding the Fourth Proportional to 22,442.70, 33,662.82 and 6,860.32

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Solution

The fourth proportional to 22,442.70, 33,662.82 and 6,860.32 is: 10,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,442.70 : 33,662.82 = 6,860.32 : x
  2. Step 2: Convert to fraction form
    22,442.70/33,662.82 = 6,860.32/x
  3. Step 3: Cross multiply
    22,442.70x = 33,662.82 × 6,860.32
  4. Step 4: Simplify right side
    22,442.70x = 230,937,717.30
  5. Step 5: Solve for x
    x = 230,937,717.30/22,442.70
  6. Step 6: Final answer
    x = 10,290.10

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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.