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Finding the Fourth Proportional to 29,202.78, 43,794.30 and 9,212.10

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Solution

The fourth proportional to 29,202.78, 43,794.30 and 9,212.10 is: 13,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,202.78 : 43,794.30 = 9,212.10 : x
  2. Step 2: Convert to fraction form
    29,202.78/43,794.30 = 9,212.10/x
  3. Step 3: Cross multiply
    29,202.78x = 43,794.30 × 9,212.10
  4. Step 4: Simplify right side
    29,202.78x = 403,437,471.03
  5. Step 5: Solve for x
    x = 403,437,471.03/29,202.78
  6. Step 6: Final answer
    x = 13,815.04

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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.