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Finding the Fourth Proportional to 8,168.34, 12,257.97 and 2,903.14

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Solution

The fourth proportional to 8,168.34, 12,257.97 and 2,903.14 is: 4,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.34 : 12,257.97 = 2,903.14 : x
  2. Step 2: Convert to fraction form
    8,168.34/12,257.97 = 2,903.14/x
  3. Step 3: Cross multiply
    8,168.34x = 12,257.97 × 2,903.14
  4. Step 4: Simplify right side
    8,168.34x = 35,586,603.03
  5. Step 5: Solve for x
    x = 35,586,603.03/8,168.34
  6. Step 6: Final answer
    x = 4,356.65

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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.