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Finding the Fourth Proportional to 35,585.25, 49,107.73 and 21,438.69

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Solution

The fourth proportional to 35,585.25, 49,107.73 and 21,438.69 is: 29,585.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,585.25 : 49,107.73 = 21,438.69 : x
  2. Step 2: Convert to fraction form
    35,585.25/49,107.73 = 21,438.69/x
  3. Step 3: Cross multiply
    35,585.25x = 49,107.73 × 21,438.69
  4. Step 4: Simplify right side
    35,585.25x = 1,052,805,400.07
  5. Step 5: Solve for x
    x = 1,052,805,400.07/35,585.25
  6. Step 6: Final answer
    x = 29,585.44

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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.