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Finding the Fourth Proportional to 25,685.82, 35,404.02 and 17,184.87

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Solution

The fourth proportional to 25,685.82, 35,404.02 and 17,184.87 is: 23,686.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.82 : 35,404.02 = 17,184.87 : x
  2. Step 2: Convert to fraction form
    25,685.82/35,404.02 = 17,184.87/x
  3. Step 3: Cross multiply
    25,685.82x = 35,404.02 × 17,184.87
  4. Step 4: Simplify right side
    25,685.82x = 608,413,481.18
  5. Step 5: Solve for x
    x = 608,413,481.18/25,685.82
  6. Step 6: Final answer
    x = 23,686.75

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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.