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Finding the Fourth Proportional to 61,914.81, 92,818.83 and 26,343.55

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Solution

The fourth proportional to 61,914.81, 92,818.83 and 26,343.55 is: 39,492.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,914.81 : 92,818.83 = 26,343.55 : x
  2. Step 2: Convert to fraction form
    61,914.81/92,818.83 = 26,343.55/x
  3. Step 3: Cross multiply
    61,914.81x = 92,818.83 × 26,343.55
  4. Step 4: Simplify right side
    61,914.81x = 2,445,177,489.05
  5. Step 5: Solve for x
    x = 2,445,177,489.05/61,914.81
  6. Step 6: Final answer
    x = 39,492.61

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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.