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Finding the Fourth Proportional to 61,902.76, 92,818.52 and 33,015.74

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Solution

The fourth proportional to 61,902.76, 92,818.52 and 33,015.74 is: 49,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,902.76 : 92,818.52 = 33,015.74 : x
  2. Step 2: Convert to fraction form
    61,902.76/92,818.52 = 33,015.74/x
  3. Step 3: Cross multiply
    61,902.76x = 92,818.52 × 33,015.74
  4. Step 4: Simplify right side
    61,902.76x = 3,064,472,123.50
  5. Step 5: Solve for x
    x = 3,064,472,123.50/61,902.76
  6. Step 6: Final answer
    x = 49,504.61

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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.