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Finding the Fourth Proportional to 35,138.16, 48,473.91 and 21,704.58

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Solution

The fourth proportional to 35,138.16, 48,473.91 and 21,704.58 is: 29,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,138.16 : 48,473.91 = 21,704.58 : x
  2. Step 2: Convert to fraction form
    35,138.16/48,473.91 = 21,704.58/x
  3. Step 3: Cross multiply
    35,138.16x = 48,473.91 × 21,704.58
  4. Step 4: Simplify right side
    35,138.16x = 1,052,105,857.51
  5. Step 5: Solve for x
    x = 1,052,105,857.51/35,138.16
  6. Step 6: Final answer
    x = 29,941.97

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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.