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Finding the Fourth Proportional to 9,901.85, 14,850.34 and 3,327.89

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Solution

The fourth proportional to 9,901.85, 14,850.34 and 3,327.89 is: 4,991.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,901.85 : 14,850.34 = 3,327.89 : x
  2. Step 2: Convert to fraction form
    9,901.85/14,850.34 = 3,327.89/x
  3. Step 3: Cross multiply
    9,901.85x = 14,850.34 × 3,327.89
  4. Step 4: Simplify right side
    9,901.85x = 49,420,215.41
  5. Step 5: Solve for x
    x = 49,420,215.41/9,901.85
  6. Step 6: Final answer
    x = 4,991.01

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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.