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Finding the Fourth Proportional to 8,904.11, 13,356 and 2,664.14

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Solution

The fourth proportional to 8,904.11, 13,356 and 2,664.14 is: 3,996.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.11 : 13,356 = 2,664.14 : x
  2. Step 2: Convert to fraction form
    8,904.11/13,356 = 2,664.14/x
  3. Step 3: Cross multiply
    8,904.11x = 13,356 × 2,664.14
  4. Step 4: Simplify right side
    8,904.11x = 35,582,187.06
  5. Step 5: Solve for x
    x = 35,582,187.06/8,904.11
  6. Step 6: Final answer
    x = 3,996.16

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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.