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Finding the Fourth Proportional to 29,930.32, 44,899.73 and 10,212.09

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Solution

The fourth proportional to 29,930.32, 44,899.73 and 10,212.09 is: 15,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,930.32 : 44,899.73 = 10,212.09 : x
  2. Step 2: Convert to fraction form
    29,930.32/44,899.73 = 10,212.09/x
  3. Step 3: Cross multiply
    29,930.32x = 44,899.73 × 10,212.09
  4. Step 4: Simplify right side
    29,930.32x = 458,520,083.74
  5. Step 5: Solve for x
    x = 458,520,083.74/29,930.32
  6. Step 6: Final answer
    x = 15,319.59

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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.