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Finding the Fourth Proportional to 67,761, 93,510.18 and 37,953

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Solution

The fourth proportional to 67,761, 93,510.18 and 37,953 is: 52,375.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,761 : 93,510.18 = 37,953 : x
  2. Step 2: Convert to fraction form
    67,761/93,510.18 = 37,953/x
  3. Step 3: Cross multiply
    67,761x = 93,510.18 × 37,953
  4. Step 4: Simplify right side
    67,761x = 3,548,991,861.54
  5. Step 5: Solve for x
    x = 3,548,991,861.54/67,761
  6. Step 6: Final answer
    x = 52,375.14

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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.