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Finding the Fourth Proportional to 8,757.45, 13,136.16 and 2,601.45

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Solution

The fourth proportional to 8,757.45, 13,136.16 and 2,601.45 is: 3,902.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.45 : 13,136.16 = 2,601.45 : x
  2. Step 2: Convert to fraction form
    8,757.45/13,136.16 = 2,601.45/x
  3. Step 3: Cross multiply
    8,757.45x = 13,136.16 × 2,601.45
  4. Step 4: Simplify right side
    8,757.45x = 34,173,063.43
  5. Step 5: Solve for x
    x = 34,173,063.43/8,757.45
  6. Step 6: Final answer
    x = 3,902.17

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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.