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Finding the Fourth Proportional to 53,996.50, 81,012.98 and 34,020.99

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Solution

The fourth proportional to 53,996.50, 81,012.98 and 34,020.99 is: 51,042.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,996.50 : 81,012.98 = 34,020.99 : x
  2. Step 2: Convert to fraction form
    53,996.50/81,012.98 = 34,020.99/x
  3. Step 3: Cross multiply
    53,996.50x = 81,012.98 × 34,020.99
  4. Step 4: Simplify right side
    53,996.50x = 2,756,141,867.50
  5. Step 5: Solve for x
    x = 2,756,141,867.50/53,996.50
  6. Step 6: Final answer
    x = 51,042.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.