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Finding the Fourth Proportional to 61,808.52, 85,301.03 and 34,955.80

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Solution

The fourth proportional to 61,808.52, 85,301.03 and 34,955.80 is: 48,241.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,808.52 : 85,301.03 = 34,955.80 : x
  2. Step 2: Convert to fraction form
    61,808.52/85,301.03 = 34,955.80/x
  3. Step 3: Cross multiply
    61,808.52x = 85,301.03 × 34,955.80
  4. Step 4: Simplify right side
    61,808.52x = 2,981,765,744.47
  5. Step 5: Solve for x
    x = 2,981,765,744.47/61,808.52
  6. Step 6: Final answer
    x = 48,241.99

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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.