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Finding the Fourth Proportional to 29,215.72, 43,830.44 and 9,494.28

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Solution

The fourth proportional to 29,215.72, 43,830.44 and 9,494.28 is: 14,243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,215.72 : 43,830.44 = 9,494.28 : x
  2. Step 2: Convert to fraction form
    29,215.72/43,830.44 = 9,494.28/x
  3. Step 3: Cross multiply
    29,215.72x = 43,830.44 × 9,494.28
  4. Step 4: Simplify right side
    29,215.72x = 416,138,299.81
  5. Step 5: Solve for x
    x = 416,138,299.81/29,215.72
  6. Step 6: Final answer
    x = 14,243.64

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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.