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Finding the Fourth Proportional to 61,270.54, 91,905.48 and 23,856.64

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Solution

The fourth proportional to 61,270.54, 91,905.48 and 23,856.64 is: 35,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,270.54 : 91,905.48 = 23,856.64 : x
  2. Step 2: Convert to fraction form
    61,270.54/91,905.48 = 23,856.64/x
  3. Step 3: Cross multiply
    61,270.54x = 91,905.48 × 23,856.64
  4. Step 4: Simplify right side
    61,270.54x = 2,192,555,950.39
  5. Step 5: Solve for x
    x = 2,192,555,950.39/61,270.54
  6. Step 6: Final answer
    x = 35,784.83

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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.