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Finding the Fourth Proportional to 18,353.92, 27,538.44 and 9,595.12

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Solution

The fourth proportional to 18,353.92, 27,538.44 and 9,595.12 is: 14,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.92 : 27,538.44 = 9,595.12 : x
  2. Step 2: Convert to fraction form
    18,353.92/27,538.44 = 9,595.12/x
  3. Step 3: Cross multiply
    18,353.92x = 27,538.44 × 9,595.12
  4. Step 4: Simplify right side
    18,353.92x = 264,234,636.41
  5. Step 5: Solve for x
    x = 264,234,636.41/18,353.92
  6. Step 6: Final answer
    x = 14,396.63

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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.