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Finding the Fourth Proportional to 25,801.95, 35,609.99 and 15,192.57

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Solution

The fourth proportional to 25,801.95, 35,609.99 and 15,192.57 is: 20,967.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,801.95 : 35,609.99 = 15,192.57 : x
  2. Step 2: Convert to fraction form
    25,801.95/35,609.99 = 15,192.57/x
  3. Step 3: Cross multiply
    25,801.95x = 35,609.99 × 15,192.57
  4. Step 4: Simplify right side
    25,801.95x = 541,007,189.81
  5. Step 5: Solve for x
    x = 541,007,189.81/25,801.95
  6. Step 6: Final answer
    x = 20,967.69

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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.