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Finding the Fourth Proportional to 35,047.70, 48,366.96 and 19,939.99

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Solution

The fourth proportional to 35,047.70, 48,366.96 and 19,939.99 is: 27,517.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,047.70 : 48,366.96 = 19,939.99 : x
  2. Step 2: Convert to fraction form
    35,047.70/48,366.96 = 19,939.99/x
  3. Step 3: Cross multiply
    35,047.70x = 48,366.96 × 19,939.99
  4. Step 4: Simplify right side
    35,047.70x = 964,436,456.90
  5. Step 5: Solve for x
    x = 964,436,456.90/35,047.70
  6. Step 6: Final answer
    x = 27,517.82

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1.5x scale

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.