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Finding the Fourth Proportional to 47,382.44, 65,387.79 and 26,161.79

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Solution

The fourth proportional to 47,382.44, 65,387.79 and 26,161.79 is: 36,103.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,382.44 : 65,387.79 = 26,161.79 : x
  2. Step 2: Convert to fraction form
    47,382.44/65,387.79 = 26,161.79/x
  3. Step 3: Cross multiply
    47,382.44x = 65,387.79 × 26,161.79
  4. Step 4: Simplify right side
    47,382.44x = 1,710,661,303.61
  5. Step 5: Solve for x
    x = 1,710,661,303.61/47,382.44
  6. Step 6: Final answer
    x = 36,103.28

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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.