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Finding the Fourth Proportional to 31,959.50, 44,104.21 and 19,220.02

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Solution

The fourth proportional to 31,959.50, 44,104.21 and 19,220.02 is: 26,523.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,959.50 : 44,104.21 = 19,220.02 : x
  2. Step 2: Convert to fraction form
    31,959.50/44,104.21 = 19,220.02/x
  3. Step 3: Cross multiply
    31,959.50x = 44,104.21 × 19,220.02
  4. Step 4: Simplify right side
    31,959.50x = 847,683,639.97
  5. Step 5: Solve for x
    x = 847,683,639.97/31,959.50
  6. Step 6: Final answer
    x = 26,523.69

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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.