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Finding the Fourth Proportional to 62,383.92, 86,098.59 and 39,715.67

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Solution

The fourth proportional to 62,383.92, 86,098.59 and 39,715.67 is: 54,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,383.92 : 86,098.59 = 39,715.67 : x
  2. Step 2: Convert to fraction form
    62,383.92/86,098.59 = 39,715.67/x
  3. Step 3: Cross multiply
    62,383.92x = 86,098.59 × 39,715.67
  4. Step 4: Simplify right side
    62,383.92x = 3,419,463,187.91
  5. Step 5: Solve for x
    x = 3,419,463,187.91/62,383.92
  6. Step 6: Final answer
    x = 54,813.21

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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.