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Finding the Fourth Proportional to 35,701.31, 49,269.12 and 21,551.42

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Solution

The fourth proportional to 35,701.31, 49,269.12 and 21,551.42 is: 29,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,701.31 : 49,269.12 = 21,551.42 : x
  2. Step 2: Convert to fraction form
    35,701.31/49,269.12 = 21,551.42/x
  3. Step 3: Cross multiply
    35,701.31x = 49,269.12 × 21,551.42
  4. Step 4: Simplify right side
    35,701.31x = 1,061,819,498.15
  5. Step 5: Solve for x
    x = 1,061,819,498.15/35,701.31
  6. Step 6: Final answer
    x = 29,741.75

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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.