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Finding the Fourth Proportional to 6,476.17, 8,928.06 and 5,477.44

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Solution

The fourth proportional to 6,476.17, 8,928.06 and 5,477.44 is: 7,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476.17 : 8,928.06 = 5,477.44 : x
  2. Step 2: Convert to fraction form
    6,476.17/8,928.06 = 5,477.44/x
  3. Step 3: Cross multiply
    6,476.17x = 8,928.06 × 5,477.44
  4. Step 4: Simplify right side
    6,476.17x = 48,902,912.97
  5. Step 5: Solve for x
    x = 48,902,912.97/6,476.17
  6. Step 6: Final answer
    x = 7,551.21

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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.