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Finding the Fourth Proportional to 19,433.98, 29,147.85 and 6,951.68

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Solution

The fourth proportional to 19,433.98, 29,147.85 and 6,951.68 is: 10,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.98 : 29,147.85 = 6,951.68 : x
  2. Step 2: Convert to fraction form
    19,433.98/29,147.85 = 6,951.68/x
  3. Step 3: Cross multiply
    19,433.98x = 29,147.85 × 6,951.68
  4. Step 4: Simplify right side
    19,433.98x = 202,626,380.15
  5. Step 5: Solve for x
    x = 202,626,380.15/19,433.98
  6. Step 6: Final answer
    x = 10,426.40

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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.