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Finding the Fourth Proportional to 62,505.21, 86,255.04 and 34,210.29

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Solution

The fourth proportional to 62,505.21, 86,255.04 and 34,210.29 is: 47,209.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,505.21 : 86,255.04 = 34,210.29 : x
  2. Step 2: Convert to fraction form
    62,505.21/86,255.04 = 34,210.29/x
  3. Step 3: Cross multiply
    62,505.21x = 86,255.04 × 34,210.29
  4. Step 4: Simplify right side
    62,505.21x = 2,950,809,932.36
  5. Step 5: Solve for x
    x = 2,950,809,932.36/62,505.21
  6. Step 6: Final answer
    x = 47,209.02

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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.