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Finding the Fourth Proportional to 59,996.34, 82,790.91 and 33,138.90

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Solution

The fourth proportional to 59,996.34, 82,790.91 and 33,138.90 is: 45,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,996.34 : 82,790.91 = 33,138.90 : x
  2. Step 2: Convert to fraction form
    59,996.34/82,790.91 = 33,138.90/x
  3. Step 3: Cross multiply
    59,996.34x = 82,790.91 × 33,138.90
  4. Step 4: Simplify right side
    59,996.34x = 2,743,599,687.40
  5. Step 5: Solve for x
    x = 2,743,599,687.40/59,996.34
  6. Step 6: Final answer
    x = 45,729.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.