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Finding the Fourth Proportional to 12,075.82, 16,663.89 and 6,770.52

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Solution

The fourth proportional to 12,075.82, 16,663.89 and 6,770.52 is: 9,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.82 : 16,663.89 = 6,770.52 : x
  2. Step 2: Convert to fraction form
    12,075.82/16,663.89 = 6,770.52/x
  3. Step 3: Cross multiply
    12,075.82x = 16,663.89 × 6,770.52
  4. Step 4: Simplify right side
    12,075.82x = 112,823,225.91
  5. Step 5: Solve for x
    x = 112,823,225.91/12,075.82
  6. Step 6: Final answer
    x = 9,342.91

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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.