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Finding the Fourth Proportional to 8,838.56, 13,257.84 and 4,207.52

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Solution

The fourth proportional to 8,838.56, 13,257.84 and 4,207.52 is: 6,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.56 : 13,257.84 = 4,207.52 : x
  2. Step 2: Convert to fraction form
    8,838.56/13,257.84 = 4,207.52/x
  3. Step 3: Cross multiply
    8,838.56x = 13,257.84 × 4,207.52
  4. Step 4: Simplify right side
    8,838.56x = 55,782,626.96
  5. Step 5: Solve for x
    x = 55,782,626.96/8,838.56
  6. Step 6: Final answer
    x = 6,311.28

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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.