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Finding the Fourth Proportional to 5,047.92, 6,965.87 and 3,058.02

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Solution

The fourth proportional to 5,047.92, 6,965.87 and 3,058.02 is: 4,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.92 : 6,965.87 = 3,058.02 : x
  2. Step 2: Convert to fraction form
    5,047.92/6,965.87 = 3,058.02/x
  3. Step 3: Cross multiply
    5,047.92x = 6,965.87 × 3,058.02
  4. Step 4: Simplify right side
    5,047.92x = 21,301,754.49
  5. Step 5: Solve for x
    x = 21,301,754.49/5,047.92
  6. Step 6: Final answer
    x = 4,219.91

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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.