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Finding the Fourth Proportional to 5,872.84, 8,817.08 and 3,409.44

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Solution

The fourth proportional to 5,872.84, 8,817.08 and 3,409.44 is: 5,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.84 : 8,817.08 = 3,409.44 : x
  2. Step 2: Convert to fraction form
    5,872.84/8,817.08 = 3,409.44/x
  3. Step 3: Cross multiply
    5,872.84x = 8,817.08 × 3,409.44
  4. Step 4: Simplify right side
    5,872.84x = 30,061,305.24
  5. Step 5: Solve for x
    x = 30,061,305.24/5,872.84
  6. Step 6: Final answer
    x = 5,118.70

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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.