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Finding the Fourth Proportional to 53,159.81, 79,789.13 and 26,883.41

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Solution

The fourth proportional to 53,159.81, 79,789.13 and 26,883.41 is: 40,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,159.81 : 79,789.13 = 26,883.41 : x
  2. Step 2: Convert to fraction form
    53,159.81/79,789.13 = 26,883.41/x
  3. Step 3: Cross multiply
    53,159.81x = 79,789.13 × 26,883.41
  4. Step 4: Simplify right side
    53,159.81x = 2,145,003,760.92
  5. Step 5: Solve for x
    x = 2,145,003,760.92/53,159.81
  6. Step 6: Final answer
    x = 40,350.10

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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.