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Finding the Fourth Proportional to 15,425.82, 23,138.73 and 3,739.04

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Solution

The fourth proportional to 15,425.82, 23,138.73 and 3,739.04 is: 5,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,425.82 : 23,138.73 = 3,739.04 : x
  2. Step 2: Convert to fraction form
    15,425.82/23,138.73 = 3,739.04/x
  3. Step 3: Cross multiply
    15,425.82x = 23,138.73 × 3,739.04
  4. Step 4: Simplify right side
    15,425.82x = 86,516,502.63
  5. Step 5: Solve for x
    x = 86,516,502.63/15,425.82
  6. Step 6: Final answer
    x = 5,608.55

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Why These Related Problems?

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