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Finding the Fourth Proportional to 8,883.37, 13,310.35 and 7,967.65

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Solution

The fourth proportional to 8,883.37, 13,310.35 and 7,967.65 is: 11,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.37 : 13,310.35 = 7,967.65 : x
  2. Step 2: Convert to fraction form
    8,883.37/13,310.35 = 7,967.65/x
  3. Step 3: Cross multiply
    8,883.37x = 13,310.35 × 7,967.65
  4. Step 4: Simplify right side
    8,883.37x = 106,052,210.18
  5. Step 5: Solve for x
    x = 106,052,210.18/8,883.37
  6. Step 6: Final answer
    x = 11,938.29

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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.