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Finding the Fourth Proportional to 8,352.33, 12,533.96 and 3,158.21

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Solution

The fourth proportional to 8,352.33, 12,533.96 and 3,158.21 is: 4,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.33 : 12,533.96 = 3,158.21 : x
  2. Step 2: Convert to fraction form
    8,352.33/12,533.96 = 3,158.21/x
  3. Step 3: Cross multiply
    8,352.33x = 12,533.96 × 3,158.21
  4. Step 4: Simplify right side
    8,352.33x = 39,584,799.35
  5. Step 5: Solve for x
    x = 39,584,799.35/8,352.33
  6. Step 6: Final answer
    x = 4,739.37

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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.