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Finding the Fourth Proportional to 10,934.56, 16,401.78 and 2,726.56

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Solution

The fourth proportional to 10,934.56, 16,401.78 and 2,726.56 is: 4,089.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.56 : 16,401.78 = 2,726.56 : x
  2. Step 2: Convert to fraction form
    10,934.56/16,401.78 = 2,726.56/x
  3. Step 3: Cross multiply
    10,934.56x = 16,401.78 × 2,726.56
  4. Step 4: Simplify right side
    10,934.56x = 44,720,437.28
  5. Step 5: Solve for x
    x = 44,720,437.28/10,934.56
  6. Step 6: Final answer
    x = 4,089.83

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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.