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Finding the Fourth Proportional to 55,808.48, 77,035.92 and 36,951.68

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Solution

The fourth proportional to 55,808.48, 77,035.92 and 36,951.68 is: 51,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,808.48 : 77,035.92 = 36,951.68 : x
  2. Step 2: Convert to fraction form
    55,808.48/77,035.92 = 36,951.68/x
  3. Step 3: Cross multiply
    55,808.48x = 77,035.92 × 36,951.68
  4. Step 4: Simplify right side
    55,808.48x = 2,846,606,664.35
  5. Step 5: Solve for x
    x = 2,846,606,664.35/55,808.48
  6. Step 6: Final answer
    x = 51,006.70

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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.