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Finding the Fourth Proportional to 61,049.48, 91,605.44 and 29,064.72

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Solution

The fourth proportional to 61,049.48, 91,605.44 and 29,064.72 is: 43,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,049.48 : 91,605.44 = 29,064.72 : x
  2. Step 2: Convert to fraction form
    61,049.48/91,605.44 = 29,064.72/x
  3. Step 3: Cross multiply
    61,049.48x = 91,605.44 × 29,064.72
  4. Step 4: Simplify right side
    61,049.48x = 2,662,486,464.08
  5. Step 5: Solve for x
    x = 2,662,486,464.08/61,049.48
  6. Step 6: Final answer
    x = 43,611.94

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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.