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Finding the Fourth Proportional to 4,954.72, 6,837.60 and 2,858.92

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Solution

The fourth proportional to 4,954.72, 6,837.60 and 2,858.92 is: 3,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,954.72 : 6,837.60 = 2,858.92 : x
  2. Step 2: Convert to fraction form
    4,954.72/6,837.60 = 2,858.92/x
  3. Step 3: Cross multiply
    4,954.72x = 6,837.60 × 2,858.92
  4. Step 4: Simplify right side
    4,954.72x = 19,548,151.39
  5. Step 5: Solve for x
    x = 19,548,151.39/4,954.72
  6. Step 6: Final answer
    x = 3,945.36

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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.