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Finding the Fourth Proportional to 22,294.29, 30,755.52 and 13,339.99

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Solution

The fourth proportional to 22,294.29, 30,755.52 and 13,339.99 is: 18,402.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,294.29 : 30,755.52 = 13,339.99 : x
  2. Step 2: Convert to fraction form
    22,294.29/30,755.52 = 13,339.99/x
  3. Step 3: Cross multiply
    22,294.29x = 30,755.52 × 13,339.99
  4. Step 4: Simplify right side
    22,294.29x = 410,278,329.24
  5. Step 5: Solve for x
    x = 410,278,329.24/22,294.29
  6. Step 6: Final answer
    x = 18,402.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.