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Finding the Fourth Proportional to 6,155.95, 9,234.79 and 1,994.98

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Solution

The fourth proportional to 6,155.95, 9,234.79 and 1,994.98 is: 2,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.95 : 9,234.79 = 1,994.98 : x
  2. Step 2: Convert to fraction form
    6,155.95/9,234.79 = 1,994.98/x
  3. Step 3: Cross multiply
    6,155.95x = 9,234.79 × 1,994.98
  4. Step 4: Simplify right side
    6,155.95x = 18,423,221.35
  5. Step 5: Solve for x
    x = 18,423,221.35/6,155.95
  6. Step 6: Final answer
    x = 2,992.75

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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.