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Finding the Fourth Proportional to 36,206.70, 54,310.05 and 15,143.10

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Solution

The fourth proportional to 36,206.70, 54,310.05 and 15,143.10 is: 22,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,206.70 : 54,310.05 = 15,143.10 : x
  2. Step 2: Convert to fraction form
    36,206.70/54,310.05 = 15,143.10/x
  3. Step 3: Cross multiply
    36,206.70x = 54,310.05 × 15,143.10
  4. Step 4: Simplify right side
    36,206.70x = 822,422,518.16
  5. Step 5: Solve for x
    x = 822,422,518.16/36,206.70
  6. Step 6: Final answer
    x = 22,714.65

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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.