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Finding the Fourth Proportional to 8,441.84, 12,663.84 and 3,247.04

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Solution

The fourth proportional to 8,441.84, 12,663.84 and 3,247.04 is: 4,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.84 : 12,663.84 = 3,247.04 : x
  2. Step 2: Convert to fraction form
    8,441.84/12,663.84 = 3,247.04/x
  3. Step 3: Cross multiply
    8,441.84x = 12,663.84 × 3,247.04
  4. Step 4: Simplify right side
    8,441.84x = 41,119,995.03
  5. Step 5: Solve for x
    x = 41,119,995.03/8,441.84
  6. Step 6: Final answer
    x = 4,870.98

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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.