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Finding the Fourth Proportional to 18,103.56, 27,150.13 and 6,254.25

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Solution

The fourth proportional to 18,103.56, 27,150.13 and 6,254.25 is: 9,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.56 : 27,150.13 = 6,254.25 : x
  2. Step 2: Convert to fraction form
    18,103.56/27,150.13 = 6,254.25/x
  3. Step 3: Cross multiply
    18,103.56x = 27,150.13 × 6,254.25
  4. Step 4: Simplify right side
    18,103.56x = 169,803,700.55
  5. Step 5: Solve for x
    x = 169,803,700.55/18,103.56
  6. Step 6: Final answer
    x = 9,379.58

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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.