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Finding the Fourth Proportional to 27,602.10, 41,379.87 and 12,008.10

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Solution

The fourth proportional to 27,602.10, 41,379.87 and 12,008.10 is: 18,002.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,602.10 : 41,379.87 = 12,008.10 : x
  2. Step 2: Convert to fraction form
    27,602.10/41,379.87 = 12,008.10/x
  3. Step 3: Cross multiply
    27,602.10x = 41,379.87 × 12,008.10
  4. Step 4: Simplify right side
    27,602.10x = 496,893,616.95
  5. Step 5: Solve for x
    x = 496,893,616.95/27,602.10
  6. Step 6: Final answer
    x = 18,002.02

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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.