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Finding the Fourth Proportional to 25,509.38, 38,167.88 and 22,919.54

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Solution

The fourth proportional to 25,509.38, 38,167.88 and 22,919.54 is: 34,292.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,509.38 : 38,167.88 = 22,919.54 : x
  2. Step 2: Convert to fraction form
    25,509.38/38,167.88 = 22,919.54/x
  3. Step 3: Cross multiply
    25,509.38x = 38,167.88 × 22,919.54
  4. Step 4: Simplify right side
    25,509.38x = 874,789,946.94
  5. Step 5: Solve for x
    x = 874,789,946.94/25,509.38
  6. Step 6: Final answer
    x = 34,292.88

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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.