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Finding the Fourth Proportional to 9,910.84, 14,863.78 and 4,069.08

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Solution

The fourth proportional to 9,910.84, 14,863.78 and 4,069.08 is: 6,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.84 : 14,863.78 = 4,069.08 : x
  2. Step 2: Convert to fraction form
    9,910.84/14,863.78 = 4,069.08/x
  3. Step 3: Cross multiply
    9,910.84x = 14,863.78 × 4,069.08
  4. Step 4: Simplify right side
    9,910.84x = 60,481,909.92
  5. Step 5: Solve for x
    x = 60,481,909.92/9,910.84
  6. Step 6: Final answer
    x = 6,102.60

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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.