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Finding the Fourth Proportional to 61,808.01, 85,296.73 and 34,954.53

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Solution

The fourth proportional to 61,808.01, 85,296.73 and 34,954.53 is: 48,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,808.01 : 85,296.73 = 34,954.53 : x
  2. Step 2: Convert to fraction form
    61,808.01/85,296.73 = 34,954.53/x
  3. Step 3: Cross multiply
    61,808.01x = 85,296.73 × 34,954.53
  4. Step 4: Simplify right side
    61,808.01x = 2,981,507,107.69
  5. Step 5: Solve for x
    x = 2,981,507,107.69/61,808.01
  6. Step 6: Final answer
    x = 48,238.20

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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.