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Finding the Fourth Proportional to 8,975.32, 13,462.42 and 3,351.90

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Solution

The fourth proportional to 8,975.32, 13,462.42 and 3,351.90 is: 5,027.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.32 : 13,462.42 = 3,351.90 : x
  2. Step 2: Convert to fraction form
    8,975.32/13,462.42 = 3,351.90/x
  3. Step 3: Cross multiply
    8,975.32x = 13,462.42 × 3,351.90
  4. Step 4: Simplify right side
    8,975.32x = 45,124,685.60
  5. Step 5: Solve for x
    x = 45,124,685.60/8,975.32
  6. Step 6: Final answer
    x = 5,027.64

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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.