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Finding the Fourth Proportional to 22,379.73, 33,569.53 and 8,339.43

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Solution

The fourth proportional to 22,379.73, 33,569.53 and 8,339.43 is: 12,509.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,379.73 : 33,569.53 = 8,339.43 : x
  2. Step 2: Convert to fraction form
    22,379.73/33,569.53 = 8,339.43/x
  3. Step 3: Cross multiply
    22,379.73x = 33,569.53 × 8,339.43
  4. Step 4: Simplify right side
    22,379.73x = 279,950,808.64
  5. Step 5: Solve for x
    x = 279,950,808.64/22,379.73
  6. Step 6: Final answer
    x = 12,509.13

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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.