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Finding the Fourth Proportional to 4,992.84, 6,893.08 and 4,439.30

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Solution

The fourth proportional to 4,992.84, 6,893.08 and 4,439.30 is: 6,128.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.84 : 6,893.08 = 4,439.30 : x
  2. Step 2: Convert to fraction form
    4,992.84/6,893.08 = 4,439.30/x
  3. Step 3: Cross multiply
    4,992.84x = 6,893.08 × 4,439.30
  4. Step 4: Simplify right side
    4,992.84x = 30,600,450.04
  5. Step 5: Solve for x
    x = 30,600,450.04/4,992.84
  6. Step 6: Final answer
    x = 6,128.87

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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.