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Finding the Fourth Proportional to 62,762, 86,619.24 and 36,266

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Solution

The fourth proportional to 62,762, 86,619.24 and 36,266 is: 50,051.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,762 : 86,619.24 = 36,266 : x
  2. Step 2: Convert to fraction form
    62,762/86,619.24 = 36,266/x
  3. Step 3: Cross multiply
    62,762x = 86,619.24 × 36,266
  4. Step 4: Simplify right side
    62,762x = 3,141,333,357.84
  5. Step 5: Solve for x
    x = 3,141,333,357.84/62,762
  6. Step 6: Final answer
    x = 50,051.52

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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.