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Finding the Fourth Proportional to 18,597.57, 27,899.24 and 6,114.76

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Solution

The fourth proportional to 18,597.57, 27,899.24 and 6,114.76 is: 9,173.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.57 : 27,899.24 = 6,114.76 : x
  2. Step 2: Convert to fraction form
    18,597.57/27,899.24 = 6,114.76/x
  3. Step 3: Cross multiply
    18,597.57x = 27,899.24 × 6,114.76
  4. Step 4: Simplify right side
    18,597.57x = 170,597,156.78
  5. Step 5: Solve for x
    x = 170,597,156.78/18,597.57
  6. Step 6: Final answer
    x = 9,173.09

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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.