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Finding the Fourth Proportional to 29,730.53, 44,603.24 and 20,982.53

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Solution

The fourth proportional to 29,730.53, 44,603.24 and 20,982.53 is: 31,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,730.53 : 44,603.24 = 20,982.53 : x
  2. Step 2: Convert to fraction form
    29,730.53/44,603.24 = 20,982.53/x
  3. Step 3: Cross multiply
    29,730.53x = 44,603.24 × 20,982.53
  4. Step 4: Simplify right side
    29,730.53x = 935,888,827.99
  5. Step 5: Solve for x
    x = 935,888,827.99/29,730.53
  6. Step 6: Final answer
    x = 31,479.05

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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.