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Finding the Fourth Proportional to 4,997.72, 6,894.56 and 2,900.63

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Solution

The fourth proportional to 4,997.72, 6,894.56 and 2,900.63 is: 4,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.72 : 6,894.56 = 2,900.63 : x
  2. Step 2: Convert to fraction form
    4,997.72/6,894.56 = 2,900.63/x
  3. Step 3: Cross multiply
    4,997.72x = 6,894.56 × 2,900.63
  4. Step 4: Simplify right side
    4,997.72x = 19,998,540.35
  5. Step 5: Solve for x
    x = 19,998,540.35/4,997.72
  6. Step 6: Final answer
    x = 4,001.54

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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.