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Finding the Fourth Proportional to 18,267.99, 27,379.95 and 8,893.96

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Solution

The fourth proportional to 18,267.99, 27,379.95 and 8,893.96 is: 13,330.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.99 : 27,379.95 = 8,893.96 : x
  2. Step 2: Convert to fraction form
    18,267.99/27,379.95 = 8,893.96/x
  3. Step 3: Cross multiply
    18,267.99x = 27,379.95 × 8,893.96
  4. Step 4: Simplify right side
    18,267.99x = 243,516,180.10
  5. Step 5: Solve for x
    x = 243,516,180.10/18,267.99
  6. Step 6: Final answer
    x = 13,330.22

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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.