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Finding the Fourth Proportional to 62,932, 86,845.12 and 34,637.12

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Solution

The fourth proportional to 62,932, 86,845.12 and 34,637.12 is: 47,798.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,932 : 86,845.12 = 34,637.12 : x
  2. Step 2: Convert to fraction form
    62,932/86,845.12 = 34,637.12/x
  3. Step 3: Cross multiply
    62,932x = 86,845.12 × 34,637.12
  4. Step 4: Simplify right side
    62,932x = 3,008,064,842.85
  5. Step 5: Solve for x
    x = 3,008,064,842.85/62,932
  6. Step 6: Final answer
    x = 47,798.65

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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.