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Finding the Fourth Proportional to 8,444.87, 11,651.06 and 4,905.17

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Solution

The fourth proportional to 8,444.87, 11,651.06 and 4,905.17 is: 6,767.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,444.87 : 11,651.06 = 4,905.17 : x
  2. Step 2: Convert to fraction form
    8,444.87/11,651.06 = 4,905.17/x
  3. Step 3: Cross multiply
    8,444.87x = 11,651.06 × 4,905.17
  4. Step 4: Simplify right side
    8,444.87x = 57,150,383.99
  5. Step 5: Solve for x
    x = 57,150,383.99/8,444.87
  6. Step 6: Final answer
    x = 6,767.47

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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.