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Finding the Fourth Proportional to 20,843.46, 31,270.46 and 6,053.40

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Solution

The fourth proportional to 20,843.46, 31,270.46 and 6,053.40 is: 9,081.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,843.46 : 31,270.46 = 6,053.40 : x
  2. Step 2: Convert to fraction form
    20,843.46/31,270.46 = 6,053.40/x
  3. Step 3: Cross multiply
    20,843.46x = 31,270.46 × 6,053.40
  4. Step 4: Simplify right side
    20,843.46x = 189,292,572.30
  5. Step 5: Solve for x
    x = 189,292,572.30/20,843.46
  6. Step 6: Final answer
    x = 9,081.63

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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.