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Finding the Fourth Proportional to 31,959.44, 44,104.07 and 19,212.76

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Solution

The fourth proportional to 31,959.44, 44,104.07 and 19,212.76 is: 26,513.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,959.44 : 44,104.07 = 19,212.76 : x
  2. Step 2: Convert to fraction form
    31,959.44/44,104.07 = 19,212.76/x
  3. Step 3: Cross multiply
    31,959.44x = 44,104.07 × 19,212.76
  4. Step 4: Simplify right side
    31,959.44x = 847,360,911.93
  5. Step 5: Solve for x
    x = 847,360,911.93/31,959.44
  6. Step 6: Final answer
    x = 26,513.63

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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.