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Finding the Fourth Proportional to 23,959.19, 35,911.91 and 8,149.46

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Solution

The fourth proportional to 23,959.19, 35,911.91 and 8,149.46 is: 12,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,959.19 : 35,911.91 = 8,149.46 : x
  2. Step 2: Convert to fraction form
    23,959.19/35,911.91 = 8,149.46/x
  3. Step 3: Cross multiply
    23,959.19x = 35,911.91 × 8,149.46
  4. Step 4: Simplify right side
    23,959.19x = 292,662,671.05
  5. Step 5: Solve for x
    x = 292,662,671.05/23,959.19
  6. Step 6: Final answer
    x = 12,215.05

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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.