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Finding the Fourth Proportional to 12,070.13, 16,656.49 and 6,692.54

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Solution

The fourth proportional to 12,070.13, 16,656.49 and 6,692.54 is: 9,235.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.13 : 16,656.49 = 6,692.54 : x
  2. Step 2: Convert to fraction form
    12,070.13/16,656.49 = 6,692.54/x
  3. Step 3: Cross multiply
    12,070.13x = 16,656.49 × 6,692.54
  4. Step 4: Simplify right side
    12,070.13x = 111,474,225.58
  5. Step 5: Solve for x
    x = 111,474,225.58/12,070.13
  6. Step 6: Final answer
    x = 9,235.54

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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.