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Finding the Fourth Proportional to 8,702.60, 13,051.26 and 2,462.12

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Solution

The fourth proportional to 8,702.60, 13,051.26 and 2,462.12 is: 3,692.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702.60 : 13,051.26 = 2,462.12 : x
  2. Step 2: Convert to fraction form
    8,702.60/13,051.26 = 2,462.12/x
  3. Step 3: Cross multiply
    8,702.60x = 13,051.26 × 2,462.12
  4. Step 4: Simplify right side
    8,702.60x = 32,133,768.27
  5. Step 5: Solve for x
    x = 32,133,768.27/8,702.60
  6. Step 6: Final answer
    x = 3,692.43

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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.