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Finding the Fourth Proportional to 35,290.97, 52,908.21 and 18,415.51

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Solution

The fourth proportional to 35,290.97, 52,908.21 and 18,415.51 is: 27,608.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,290.97 : 52,908.21 = 18,415.51 : x
  2. Step 2: Convert to fraction form
    35,290.97/52,908.21 = 18,415.51/x
  3. Step 3: Cross multiply
    35,290.97x = 52,908.21 × 18,415.51
  4. Step 4: Simplify right side
    35,290.97x = 974,331,538.07
  5. Step 5: Solve for x
    x = 974,331,538.07/35,290.97
  6. Step 6: Final answer
    x = 27,608.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.