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Finding the Fourth Proportional to 9,489.84, 14,236.68 and 3,334.32

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Solution

The fourth proportional to 9,489.84, 14,236.68 and 3,334.32 is: 5,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.84 : 14,236.68 = 3,334.32 : x
  2. Step 2: Convert to fraction form
    9,489.84/14,236.68 = 3,334.32/x
  3. Step 3: Cross multiply
    9,489.84x = 14,236.68 × 3,334.32
  4. Step 4: Simplify right side
    9,489.84x = 47,469,646.86
  5. Step 5: Solve for x
    x = 47,469,646.86/9,489.84
  6. Step 6: Final answer
    x = 5,002.15

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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.