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Finding the Fourth Proportional to 61,505.76, 92,049.39 and 37,800.80

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Solution

The fourth proportional to 61,505.76, 92,049.39 and 37,800.80 is: 56,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,505.76 : 92,049.39 = 37,800.80 : x
  2. Step 2: Convert to fraction form
    61,505.76/92,049.39 = 37,800.80/x
  3. Step 3: Cross multiply
    61,505.76x = 92,049.39 × 37,800.80
  4. Step 4: Simplify right side
    61,505.76x = 3,479,540,619.02
  5. Step 5: Solve for x
    x = 3,479,540,619.02/61,505.76
  6. Step 6: Final answer
    x = 56,572.60

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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.