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Finding the Fourth Proportional to 63,269.10, 87,301.80 and 34,974.99

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Solution

The fourth proportional to 63,269.10, 87,301.80 and 34,974.99 is: 48,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,269.10 : 87,301.80 = 34,974.99 : x
  2. Step 2: Convert to fraction form
    63,269.10/87,301.80 = 34,974.99/x
  3. Step 3: Cross multiply
    63,269.10x = 87,301.80 × 34,974.99
  4. Step 4: Simplify right side
    63,269.10x = 3,053,379,581.98
  5. Step 5: Solve for x
    x = 3,053,379,581.98/63,269.10
  6. Step 6: Final answer
    x = 48,260.20

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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.