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Finding the Fourth Proportional to 29,695.82, 44,486.31 and 20,313.59

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Solution

The fourth proportional to 29,695.82, 44,486.31 and 20,313.59 is: 30,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,695.82 : 44,486.31 = 20,313.59 : x
  2. Step 2: Convert to fraction form
    29,695.82/44,486.31 = 20,313.59/x
  3. Step 3: Cross multiply
    29,695.82x = 44,486.31 × 20,313.59
  4. Step 4: Simplify right side
    29,695.82x = 903,676,515.70
  5. Step 5: Solve for x
    x = 903,676,515.70/29,695.82
  6. Step 6: Final answer
    x = 30,431.11

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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.