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Finding the Fourth Proportional to 62,811.06, 86,677.74 and 35,951.87

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Solution

The fourth proportional to 62,811.06, 86,677.74 and 35,951.87 is: 49,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,811.06 : 86,677.74 = 35,951.87 : x
  2. Step 2: Convert to fraction form
    62,811.06/86,677.74 = 35,951.87/x
  3. Step 3: Cross multiply
    62,811.06x = 86,677.74 × 35,951.87
  4. Step 4: Simplify right side
    62,811.06x = 3,116,226,406.99
  5. Step 5: Solve for x
    x = 3,116,226,406.99/62,811.06
  6. Step 6: Final answer
    x = 49,612.70

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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.