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Finding the Fourth Proportional to 7,023.25, 9,692.12 and 4,039.26

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Solution

The fourth proportional to 7,023.25, 9,692.12 and 4,039.26 is: 5,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.25 : 9,692.12 = 4,039.26 : x
  2. Step 2: Convert to fraction form
    7,023.25/9,692.12 = 4,039.26/x
  3. Step 3: Cross multiply
    7,023.25x = 9,692.12 × 4,039.26
  4. Step 4: Simplify right side
    7,023.25x = 39,148,992.63
  5. Step 5: Solve for x
    x = 39,148,992.63/7,023.25
  6. Step 6: Final answer
    x = 5,574.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.