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Finding the Fourth Proportional to 31,959.99, 44,105.10 and 17,620.39

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Solution

The fourth proportional to 31,959.99, 44,105.10 and 17,620.39 is: 24,316.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,959.99 : 44,105.10 = 17,620.39 : x
  2. Step 2: Convert to fraction form
    31,959.99/44,105.10 = 17,620.39/x
  3. Step 3: Cross multiply
    31,959.99x = 44,105.10 × 17,620.39
  4. Step 4: Simplify right side
    31,959.99x = 777,149,225.65
  5. Step 5: Solve for x
    x = 777,149,225.65/31,959.99
  6. Step 6: Final answer
    x = 24,316.31

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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.