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Finding the Fourth Proportional to 8,865.44, 13,297.84 and 3,316.92

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Solution

The fourth proportional to 8,865.44, 13,297.84 and 3,316.92 is: 4,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.44 : 13,297.84 = 3,316.92 : x
  2. Step 2: Convert to fraction form
    8,865.44/13,297.84 = 3,316.92/x
  3. Step 3: Cross multiply
    8,865.44x = 13,297.84 × 3,316.92
  4. Step 4: Simplify right side
    8,865.44x = 44,107,871.45
  5. Step 5: Solve for x
    x = 44,107,871.45/8,865.44
  6. Step 6: Final answer
    x = 4,975.26

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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.