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Finding the Fourth Proportional to 82,528.92, 123,793.38 and 29,938.44

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Solution

The fourth proportional to 82,528.92, 123,793.38 and 29,938.44 is: 44,907.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,528.92 : 123,793.38 = 29,938.44 : x
  2. Step 2: Convert to fraction form
    82,528.92/123,793.38 = 29,938.44/x
  3. Step 3: Cross multiply
    82,528.92x = 123,793.38 × 29,938.44
  4. Step 4: Simplify right side
    82,528.92x = 3,706,180,679.53
  5. Step 5: Solve for x
    x = 3,706,180,679.53/82,528.92
  6. Step 6: Final answer
    x = 44,907.66

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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.