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Finding the Fourth Proportional to 18,260.17, 27,390.29 and 4,409.17

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Solution

The fourth proportional to 18,260.17, 27,390.29 and 4,409.17 is: 6,613.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.17 : 27,390.29 = 4,409.17 : x
  2. Step 2: Convert to fraction form
    18,260.17/27,390.29 = 4,409.17/x
  3. Step 3: Cross multiply
    18,260.17x = 27,390.29 × 4,409.17
  4. Step 4: Simplify right side
    18,260.17x = 120,768,354.44
  5. Step 5: Solve for x
    x = 120,768,354.44/18,260.17
  6. Step 6: Final answer
    x = 6,613.76

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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.