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Finding the Fourth Proportional to 62,761, 86,617.86 and 36,265

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Solution

The fourth proportional to 62,761, 86,617.86 and 36,265 is: 50,050.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,761 : 86,617.86 = 36,265 : x
  2. Step 2: Convert to fraction form
    62,761/86,617.86 = 36,265/x
  3. Step 3: Cross multiply
    62,761x = 86,617.86 × 36,265
  4. Step 4: Simplify right side
    62,761x = 3,141,196,692.90
  5. Step 5: Solve for x
    x = 3,141,196,692.90/62,761
  6. Step 6: Final answer
    x = 50,050.14

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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.