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Finding the Fourth Proportional to 27,611.13, 41,423.31 and 8,892.90

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Solution

The fourth proportional to 27,611.13, 41,423.31 and 8,892.90 is: 13,341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611.13 : 41,423.31 = 8,892.90 : x
  2. Step 2: Convert to fraction form
    27,611.13/41,423.31 = 8,892.90/x
  3. Step 3: Cross multiply
    27,611.13x = 41,423.31 × 8,892.90
  4. Step 4: Simplify right side
    27,611.13x = 368,373,353.50
  5. Step 5: Solve for x
    x = 368,373,353.50/27,611.13
  6. Step 6: Final answer
    x = 13,341.48

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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.