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Finding the Fourth Proportional to 62,484, 86,238.16 and 36,003.36

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Solution

The fourth proportional to 62,484, 86,238.16 and 36,003.36 is: 49,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,484 : 86,238.16 = 36,003.36 : x
  2. Step 2: Convert to fraction form
    62,484/86,238.16 = 36,003.36/x
  3. Step 3: Cross multiply
    62,484x = 86,238.16 × 36,003.36
  4. Step 4: Simplify right side
    62,484x = 3,104,863,520.22
  5. Step 5: Solve for x
    x = 3,104,863,520.22/62,484
  6. Step 6: Final answer
    x = 49,690.54

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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.