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Finding the Fourth Proportional to 4,644.72, 6,999 and 3,841.05

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Solution

The fourth proportional to 4,644.72, 6,999 and 3,841.05 is: 5,787.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.72 : 6,999 = 3,841.05 : x
  2. Step 2: Convert to fraction form
    4,644.72/6,999 = 3,841.05/x
  3. Step 3: Cross multiply
    4,644.72x = 6,999 × 3,841.05
  4. Step 4: Simplify right side
    4,644.72x = 26,883,508.95
  5. Step 5: Solve for x
    x = 26,883,508.95/4,644.72
  6. Step 6: Final answer
    x = 5,787.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.