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Finding the Fourth Proportional to 62,100.91, 85,699.79 and 33,806.53

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Solution

The fourth proportional to 62,100.91, 85,699.79 and 33,806.53 is: 46,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,100.91 : 85,699.79 = 33,806.53 : x
  2. Step 2: Convert to fraction form
    62,100.91/85,699.79 = 33,806.53/x
  3. Step 3: Cross multiply
    62,100.91x = 85,699.79 × 33,806.53
  4. Step 4: Simplify right side
    62,100.91x = 2,897,212,521.63
  5. Step 5: Solve for x
    x = 2,897,212,521.63/62,100.91
  6. Step 6: Final answer
    x = 46,653.30

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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.