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Finding the Fourth Proportional to 62,879.82, 86,749.54 and 36,008.07

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Solution

The fourth proportional to 62,879.82, 86,749.54 and 36,008.07 is: 49,677.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,879.82 : 86,749.54 = 36,008.07 : x
  2. Step 2: Convert to fraction form
    62,879.82/86,749.54 = 36,008.07/x
  3. Step 3: Cross multiply
    62,879.82x = 86,749.54 × 36,008.07
  4. Step 4: Simplify right side
    62,879.82x = 3,123,683,508.79
  5. Step 5: Solve for x
    x = 3,123,683,508.79/62,879.82
  6. Step 6: Final answer
    x = 49,677.04

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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.