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Finding the Fourth Proportional to 8,885.64, 13,316.22 and 3,333.36

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Solution

The fourth proportional to 8,885.64, 13,316.22 and 3,333.36 is: 4,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.64 : 13,316.22 = 3,333.36 : x
  2. Step 2: Convert to fraction form
    8,885.64/13,316.22 = 3,333.36/x
  3. Step 3: Cross multiply
    8,885.64x = 13,316.22 × 3,333.36
  4. Step 4: Simplify right side
    8,885.64x = 44,387,755.10
  5. Step 5: Solve for x
    x = 44,387,755.10/8,885.64
  6. Step 6: Final answer
    x = 4,995.45

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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.