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Finding the Fourth Proportional to 6,754.70, 10,129.65 and 3,058.70

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Solution

The fourth proportional to 6,754.70, 10,129.65 and 3,058.70 is: 4,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.70 : 10,129.65 = 3,058.70 : x
  2. Step 2: Convert to fraction form
    6,754.70/10,129.65 = 3,058.70/x
  3. Step 3: Cross multiply
    6,754.70x = 10,129.65 × 3,058.70
  4. Step 4: Simplify right side
    6,754.70x = 30,983,560.46
  5. Step 5: Solve for x
    x = 30,983,560.46/6,754.70
  6. Step 6: Final answer
    x = 4,586.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.