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Finding the Fourth Proportional to 62,861.48, 86,749.48 and 36,003.40

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Solution

The fourth proportional to 62,861.48, 86,749.48 and 36,003.40 is: 49,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,861.48 : 86,749.48 = 36,003.40 : x
  2. Step 2: Convert to fraction form
    62,861.48/86,749.48 = 36,003.40/x
  3. Step 3: Cross multiply
    62,861.48x = 86,749.48 × 36,003.40
  4. Step 4: Simplify right side
    62,861.48x = 3,123,276,544.33
  5. Step 5: Solve for x
    x = 3,123,276,544.33/62,861.48
  6. Step 6: Final answer
    x = 49,685.06

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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.