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Finding the Fourth Proportional to 4,702.94, 7,059 and 2,239.46

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Solution

The fourth proportional to 4,702.94, 7,059 and 2,239.46 is: 3,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.94 : 7,059 = 2,239.46 : x
  2. Step 2: Convert to fraction form
    4,702.94/7,059 = 2,239.46/x
  3. Step 3: Cross multiply
    4,702.94x = 7,059 × 2,239.46
  4. Step 4: Simplify right side
    4,702.94x = 15,808,348.14
  5. Step 5: Solve for x
    x = 15,808,348.14/4,702.94
  6. Step 6: Final answer
    x = 3,361.38

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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.