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Finding the Fourth Proportional to 62,502.32, 86,255.40 and 34,208

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Solution

The fourth proportional to 62,502.32, 86,255.40 and 34,208 is: 47,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,502.32 : 86,255.40 = 34,208 : x
  2. Step 2: Convert to fraction form
    62,502.32/86,255.40 = 34,208/x
  3. Step 3: Cross multiply
    62,502.32x = 86,255.40 × 34,208
  4. Step 4: Simplify right side
    62,502.32x = 2,950,624,723.20
  5. Step 5: Solve for x
    x = 2,950,624,723.20/62,502.32
  6. Step 6: Final answer
    x = 47,208.24

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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.