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Finding the Fourth Proportional to 6,448.05, 8,894.48 and 3,794.90

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Solution

The fourth proportional to 6,448.05, 8,894.48 and 3,794.90 is: 5,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.05 : 8,894.48 = 3,794.90 : x
  2. Step 2: Convert to fraction form
    6,448.05/8,894.48 = 3,794.90/x
  3. Step 3: Cross multiply
    6,448.05x = 8,894.48 × 3,794.90
  4. Step 4: Simplify right side
    6,448.05x = 33,753,598.71
  5. Step 5: Solve for x
    x = 33,753,598.71/6,448.05
  6. Step 6: Final answer
    x = 5,234.70

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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.