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Finding the Fourth Proportional to 5,063.08, 6,987.06 and 2,939.03

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Solution

The fourth proportional to 5,063.08, 6,987.06 and 2,939.03 is: 4,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,063.08 : 6,987.06 = 2,939.03 : x
  2. Step 2: Convert to fraction form
    5,063.08/6,987.06 = 2,939.03/x
  3. Step 3: Cross multiply
    5,063.08x = 6,987.06 × 2,939.03
  4. Step 4: Simplify right side
    5,063.08x = 20,535,178.95
  5. Step 5: Solve for x
    x = 20,535,178.95/5,063.08
  6. Step 6: Final answer
    x = 4,055.87

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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.