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Finding the Fourth Proportional to 36,843.34, 55,218.72 and 15,758.58

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Solution

The fourth proportional to 36,843.34, 55,218.72 and 15,758.58 is: 23,618.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,843.34 : 55,218.72 = 15,758.58 : x
  2. Step 2: Convert to fraction form
    36,843.34/55,218.72 = 15,758.58/x
  3. Step 3: Cross multiply
    36,843.34x = 55,218.72 × 15,758.58
  4. Step 4: Simplify right side
    36,843.34x = 870,168,616.62
  5. Step 5: Solve for x
    x = 870,168,616.62/36,843.34
  6. Step 6: Final answer
    x = 23,618.07

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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.