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Finding the Fourth Proportional to 7,573.86, 11,363.11 and 3,878.68

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Solution

The fourth proportional to 7,573.86, 11,363.11 and 3,878.68 is: 5,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,573.86 : 11,363.11 = 3,878.68 : x
  2. Step 2: Convert to fraction form
    7,573.86/11,363.11 = 3,878.68/x
  3. Step 3: Cross multiply
    7,573.86x = 11,363.11 × 3,878.68
  4. Step 4: Simplify right side
    7,573.86x = 44,073,867.49
  5. Step 5: Solve for x
    x = 44,073,867.49/7,573.86
  6. Step 6: Final answer
    x = 5,819.21

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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.