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Finding the Fourth Proportional to 61,220.44, 91,744.48 and 48,684.76

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Solution

The fourth proportional to 61,220.44, 91,744.48 and 48,684.76 is: 72,958.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,220.44 : 91,744.48 = 48,684.76 : x
  2. Step 2: Convert to fraction form
    61,220.44/91,744.48 = 48,684.76/x
  3. Step 3: Cross multiply
    61,220.44x = 91,744.48 × 48,684.76
  4. Step 4: Simplify right side
    61,220.44x = 4,466,557,990.12
  5. Step 5: Solve for x
    x = 4,466,557,990.12/61,220.44
  6. Step 6: Final answer
    x = 72,958.61

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1.5x scale

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.