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Finding the Fourth Proportional to 9,998.86, 14,993.26 and 3,333

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Solution

The fourth proportional to 9,998.86, 14,993.26 and 3,333 is: 4,997.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.86 : 14,993.26 = 3,333 : x
  2. Step 2: Convert to fraction form
    9,998.86/14,993.26 = 3,333/x
  3. Step 3: Cross multiply
    9,998.86x = 14,993.26 × 3,333
  4. Step 4: Simplify right side
    9,998.86x = 49,972,535.58
  5. Step 5: Solve for x
    x = 49,972,535.58/9,998.86
  6. Step 6: Final answer
    x = 4,997.82

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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.