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Finding the Fourth Proportional to 8,084.64, 11,157.92 and 4,899.22

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Solution

The fourth proportional to 8,084.64, 11,157.92 and 4,899.22 is: 6,761.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.64 : 11,157.92 = 4,899.22 : x
  2. Step 2: Convert to fraction form
    8,084.64/11,157.92 = 4,899.22/x
  3. Step 3: Cross multiply
    8,084.64x = 11,157.92 × 4,899.22
  4. Step 4: Simplify right side
    8,084.64x = 54,665,070.80
  5. Step 5: Solve for x
    x = 54,665,070.80/8,084.64
  6. Step 6: Final answer
    x = 6,761.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.