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Finding the Fourth Proportional to 39,793.40, 59,690.10 and 29,425.40

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Solution

The fourth proportional to 39,793.40, 59,690.10 and 29,425.40 is: 44,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,793.40 : 59,690.10 = 29,425.40 : x
  2. Step 2: Convert to fraction form
    39,793.40/59,690.10 = 29,425.40/x
  3. Step 3: Cross multiply
    39,793.40x = 59,690.10 × 29,425.40
  4. Step 4: Simplify right side
    39,793.40x = 1,756,405,068.54
  5. Step 5: Solve for x
    x = 1,756,405,068.54/39,793.40
  6. Step 6: Final answer
    x = 44,138.10

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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.