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Finding the Fourth Proportional to 8,804.84, 12,153.38 and 5,081.32

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Solution

The fourth proportional to 8,804.84, 12,153.38 and 5,081.32 is: 7,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.84 : 12,153.38 = 5,081.32 : x
  2. Step 2: Convert to fraction form
    8,804.84/12,153.38 = 5,081.32/x
  3. Step 3: Cross multiply
    8,804.84x = 12,153.38 × 5,081.32
  4. Step 4: Simplify right side
    8,804.84x = 61,755,212.86
  5. Step 5: Solve for x
    x = 61,755,212.86/8,804.84
  6. Step 6: Final answer
    x = 7,013.78

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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.