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Finding the Fourth Proportional to 8,844, 12,204.72 and 5,118

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Solution

The fourth proportional to 8,844, 12,204.72 and 5,118 is: 7,062.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,844 : 12,204.72 = 5,118 : x
  2. Step 2: Convert to fraction form
    8,844/12,204.72 = 5,118/x
  3. Step 3: Cross multiply
    8,844x = 12,204.72 × 5,118
  4. Step 4: Simplify right side
    8,844x = 62,463,756.96
  5. Step 5: Solve for x
    x = 62,463,756.96/8,844
  6. Step 6: Final answer
    x = 7,062.84

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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.