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Finding the Fourth Proportional to 61,608.89, 85,016.73 and 34,749.80

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Solution

The fourth proportional to 61,608.89, 85,016.73 and 34,749.80 is: 47,952.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,608.89 : 85,016.73 = 34,749.80 : x
  2. Step 2: Convert to fraction form
    61,608.89/85,016.73 = 34,749.80/x
  3. Step 3: Cross multiply
    61,608.89x = 85,016.73 × 34,749.80
  4. Step 4: Simplify right side
    61,608.89x = 2,954,314,388.19
  5. Step 5: Solve for x
    x = 2,954,314,388.19/61,608.89
  6. Step 6: Final answer
    x = 47,952.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.