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Finding the Fourth Proportional to 18,223.99, 27,326.53 and 8,354.77

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Solution

The fourth proportional to 18,223.99, 27,326.53 and 8,354.77 is: 12,527.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.99 : 27,326.53 = 8,354.77 : x
  2. Step 2: Convert to fraction form
    18,223.99/27,326.53 = 8,354.77/x
  3. Step 3: Cross multiply
    18,223.99x = 27,326.53 × 8,354.77
  4. Step 4: Simplify right side
    18,223.99x = 228,306,815.18
  5. Step 5: Solve for x
    x = 228,306,815.18/18,223.99
  6. Step 6: Final answer
    x = 12,527.82

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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.