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Finding the Fourth Proportional to 4,679.01, 7,014.79 and 2,702.39

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Solution

The fourth proportional to 4,679.01, 7,014.79 and 2,702.39 is: 4,051.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.01 : 7,014.79 = 2,702.39 : x
  2. Step 2: Convert to fraction form
    4,679.01/7,014.79 = 2,702.39/x
  3. Step 3: Cross multiply
    4,679.01x = 7,014.79 × 2,702.39
  4. Step 4: Simplify right side
    4,679.01x = 18,956,722.64
  5. Step 5: Solve for x
    x = 18,956,722.64/4,679.01
  6. Step 6: Final answer
    x = 4,051.44

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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.