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Finding the Fourth Proportional to 36,601.12, 54,901.80 and 8,899.12

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Solution

The fourth proportional to 36,601.12, 54,901.80 and 8,899.12 is: 13,348.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,601.12 : 54,901.80 = 8,899.12 : x
  2. Step 2: Convert to fraction form
    36,601.12/54,901.80 = 8,899.12/x
  3. Step 3: Cross multiply
    36,601.12x = 54,901.80 × 8,899.12
  4. Step 4: Simplify right side
    36,601.12x = 488,577,706.42
  5. Step 5: Solve for x
    x = 488,577,706.42/36,601.12
  6. Step 6: Final answer
    x = 13,348.71

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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.