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Finding the Fourth Proportional to 18,350.10, 27,525.15 and 13,101.30

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Solution

The fourth proportional to 18,350.10, 27,525.15 and 13,101.30 is: 19,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.10 : 27,525.15 = 13,101.30 : x
  2. Step 2: Convert to fraction form
    18,350.10/27,525.15 = 13,101.30/x
  3. Step 3: Cross multiply
    18,350.10x = 27,525.15 × 13,101.30
  4. Step 4: Simplify right side
    18,350.10x = 360,615,247.70
  5. Step 5: Solve for x
    x = 360,615,247.70/18,350.10
  6. Step 6: Final answer
    x = 19,651.95

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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.