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Finding the Fourth Proportional to 62,859.39, 86,738.68 and 36,000.29

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Solution

The fourth proportional to 62,859.39, 86,738.68 and 36,000.29 is: 49,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,859.39 : 86,738.68 = 36,000.29 : x
  2. Step 2: Convert to fraction form
    62,859.39/86,738.68 = 36,000.29/x
  3. Step 3: Cross multiply
    62,859.39x = 86,738.68 × 36,000.29
  4. Step 4: Simplify right side
    62,859.39x = 3,122,617,896.06
  5. Step 5: Solve for x
    x = 3,122,617,896.06/62,859.39
  6. Step 6: Final answer
    x = 49,676.24

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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.