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Finding the Fourth Proportional to 39,791.80, 59,622.90 and 29,294.20

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Solution

The fourth proportional to 39,791.80, 59,622.90 and 29,294.20 is: 43,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,791.80 : 59,622.90 = 29,294.20 : x
  2. Step 2: Convert to fraction form
    39,791.80/59,622.90 = 29,294.20/x
  3. Step 3: Cross multiply
    39,791.80x = 59,622.90 × 29,294.20
  4. Step 4: Simplify right side
    39,791.80x = 1,746,605,157.18
  5. Step 5: Solve for x
    x = 1,746,605,157.18/39,791.80
  6. Step 6: Final answer
    x = 43,893.60

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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.