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Finding the Fourth Proportional to 61,861.53, 92,791.48 and 15,114.81

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Solution

The fourth proportional to 61,861.53, 92,791.48 and 15,114.81 is: 22,672.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,861.53 : 92,791.48 = 15,114.81 : x
  2. Step 2: Convert to fraction form
    61,861.53/92,791.48 = 15,114.81/x
  3. Step 3: Cross multiply
    61,861.53x = 92,791.48 × 15,114.81
  4. Step 4: Simplify right side
    61,861.53x = 1,402,525,589.82
  5. Step 5: Solve for x
    x = 1,402,525,589.82/61,861.53
  6. Step 6: Final answer
    x = 22,672.02

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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.