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Finding the Fourth Proportional to 62,898.49, 86,799.40 and 35,679.75

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Solution

The fourth proportional to 62,898.49, 86,799.40 and 35,679.75 is: 49,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,898.49 : 86,799.40 = 35,679.75 : x
  2. Step 2: Convert to fraction form
    62,898.49/86,799.40 = 35,679.75/x
  3. Step 3: Cross multiply
    62,898.49x = 86,799.40 × 35,679.75
  4. Step 4: Simplify right side
    62,898.49x = 3,096,980,892.15
  5. Step 5: Solve for x
    x = 3,096,980,892.15/62,898.49
  6. Step 6: Final answer
    x = 49,237.76

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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.