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Finding the Fourth Proportional to 8,914.74, 13,375.35 and 4,236.18

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Solution

The fourth proportional to 8,914.74, 13,375.35 and 4,236.18 is: 6,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.74 : 13,375.35 = 4,236.18 : x
  2. Step 2: Convert to fraction form
    8,914.74/13,375.35 = 4,236.18/x
  3. Step 3: Cross multiply
    8,914.74x = 13,375.35 × 4,236.18
  4. Step 4: Simplify right side
    8,914.74x = 56,660,390.16
  5. Step 5: Solve for x
    x = 56,660,390.16/8,914.74
  6. Step 6: Final answer
    x = 6,355.81

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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.