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Finding the Fourth Proportional to 25,448.92, 38,164.02 and 8,804.68

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Solution

The fourth proportional to 25,448.92, 38,164.02 and 8,804.68 is: 13,203.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448.92 : 38,164.02 = 8,804.68 : x
  2. Step 2: Convert to fraction form
    25,448.92/38,164.02 = 8,804.68/x
  3. Step 3: Cross multiply
    25,448.92x = 38,164.02 × 8,804.68
  4. Step 4: Simplify right side
    25,448.92x = 336,021,983.61
  5. Step 5: Solve for x
    x = 336,021,983.61/25,448.92
  6. Step 6: Final answer
    x = 13,203.78

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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.