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Finding the Fourth Proportional to 29,730.97, 44,603.89 and 20,982.97

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Solution

The fourth proportional to 29,730.97, 44,603.89 and 20,982.97 is: 31,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,730.97 : 44,603.89 = 20,982.97 : x
  2. Step 2: Convert to fraction form
    29,730.97/44,603.89 = 20,982.97/x
  3. Step 3: Cross multiply
    29,730.97x = 44,603.89 × 20,982.97
  4. Step 4: Simplify right side
    29,730.97x = 935,922,138.21
  5. Step 5: Solve for x
    x = 935,922,138.21/29,730.97
  6. Step 6: Final answer
    x = 31,479.70

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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.