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Finding the Fourth Proportional to 8,884.64, 13,335.09 and 4,505.12

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Solution

The fourth proportional to 8,884.64, 13,335.09 and 4,505.12 is: 6,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.64 : 13,335.09 = 4,505.12 : x
  2. Step 2: Convert to fraction form
    8,884.64/13,335.09 = 4,505.12/x
  3. Step 3: Cross multiply
    8,884.64x = 13,335.09 × 4,505.12
  4. Step 4: Simplify right side
    8,884.64x = 60,076,180.66
  5. Step 5: Solve for x
    x = 60,076,180.66/8,884.64
  6. Step 6: Final answer
    x = 6,761.80

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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.