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Finding the Fourth Proportional to 67,832.60, 93,510.66 and 47,627.96

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Solution

The fourth proportional to 67,832.60, 93,510.66 and 47,627.96 is: 65,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,832.60 : 93,510.66 = 47,627.96 : x
  2. Step 2: Convert to fraction form
    67,832.60/93,510.66 = 47,627.96/x
  3. Step 3: Cross multiply
    67,832.60x = 93,510.66 × 47,627.96
  4. Step 4: Simplify right side
    67,832.60x = 4,453,721,974.05
  5. Step 5: Solve for x
    x = 4,453,721,974.05/67,832.60
  6. Step 6: Final answer
    x = 65,657.54

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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.