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Finding the Fourth Proportional to 67,985.76, 93,817.44 and 37,773.12

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Solution

The fourth proportional to 67,985.76, 93,817.44 and 37,773.12 is: 52,125.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,985.76 : 93,817.44 = 37,773.12 : x
  2. Step 2: Convert to fraction form
    67,985.76/93,817.44 = 37,773.12/x
  3. Step 3: Cross multiply
    67,985.76x = 93,817.44 × 37,773.12
  4. Step 4: Simplify right side
    67,985.76x = 3,543,777,419.21
  5. Step 5: Solve for x
    x = 3,543,777,419.21/67,985.76
  6. Step 6: Final answer
    x = 52,125.29

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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.