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Finding the Fourth Proportional to 61,223.60, 91,884.54 and 31,650.05

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Solution

The fourth proportional to 61,223.60, 91,884.54 and 31,650.05 is: 47,500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,223.60 : 91,884.54 = 31,650.05 : x
  2. Step 2: Convert to fraction form
    61,223.60/91,884.54 = 31,650.05/x
  3. Step 3: Cross multiply
    61,223.60x = 91,884.54 × 31,650.05
  4. Step 4: Simplify right side
    61,223.60x = 2,908,150,285.23
  5. Step 5: Solve for x
    x = 2,908,150,285.23/61,223.60
  6. Step 6: Final answer
    x = 47,500.48

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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.