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Finding the Fourth Proportional to 8,908.70, 13,363.04 and 3,714.57

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Solution

The fourth proportional to 8,908.70, 13,363.04 and 3,714.57 is: 5,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.70 : 13,363.04 = 3,714.57 : x
  2. Step 2: Convert to fraction form
    8,908.70/13,363.04 = 3,714.57/x
  3. Step 3: Cross multiply
    8,908.70x = 13,363.04 × 3,714.57
  4. Step 4: Simplify right side
    8,908.70x = 49,637,928.92
  5. Step 5: Solve for x
    x = 49,637,928.92/8,908.70
  6. Step 6: Final answer
    x = 5,571.85

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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.