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Finding the Fourth Proportional to 8,892.05, 12,261.82 and 7,637.26

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Solution

The fourth proportional to 8,892.05, 12,261.82 and 7,637.26 is: 10,531.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.05 : 12,261.82 = 7,637.26 : x
  2. Step 2: Convert to fraction form
    8,892.05/12,261.82 = 7,637.26/x
  3. Step 3: Cross multiply
    8,892.05x = 12,261.82 × 7,637.26
  4. Step 4: Simplify right side
    8,892.05x = 93,646,707.41
  5. Step 5: Solve for x
    x = 93,646,707.41/8,892.05
  6. Step 6: Final answer
    x = 10,531.51

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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.