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Finding the Fourth Proportional to 12,657.42, 17,467.29 and 7,068.42

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Solution

The fourth proportional to 12,657.42, 17,467.29 and 7,068.42 is: 9,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,657.42 : 17,467.29 = 7,068.42 : x
  2. Step 2: Convert to fraction form
    12,657.42/17,467.29 = 7,068.42/x
  3. Step 3: Cross multiply
    12,657.42x = 17,467.29 × 7,068.42
  4. Step 4: Simplify right side
    12,657.42x = 123,466,141.98
  5. Step 5: Solve for x
    x = 123,466,141.98/12,657.42
  6. Step 6: Final answer
    x = 9,754.45

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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.