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Finding the Fourth Proportional to 36,588.60, 54,882.90 and 8,886.60

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Solution

The fourth proportional to 36,588.60, 54,882.90 and 8,886.60 is: 13,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,588.60 : 54,882.90 = 8,886.60 : x
  2. Step 2: Convert to fraction form
    36,588.60/54,882.90 = 8,886.60/x
  3. Step 3: Cross multiply
    36,588.60x = 54,882.90 × 8,886.60
  4. Step 4: Simplify right side
    36,588.60x = 487,722,379.14
  5. Step 5: Solve for x
    x = 487,722,379.14/36,588.60
  6. Step 6: Final answer
    x = 13,329.90

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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.