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Finding the Fourth Proportional to 61,761.56, 92,628.36 and 36,808.70

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Solution

The fourth proportional to 61,761.56, 92,628.36 and 36,808.70 is: 55,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,761.56 : 92,628.36 = 36,808.70 : x
  2. Step 2: Convert to fraction form
    61,761.56/92,628.36 = 36,808.70/x
  3. Step 3: Cross multiply
    61,761.56x = 92,628.36 × 36,808.70
  4. Step 4: Simplify right side
    61,761.56x = 3,409,529,051.59
  5. Step 5: Solve for x
    x = 3,409,529,051.59/61,761.56
  6. Step 6: Final answer
    x = 55,204.72

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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.