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Finding the Fourth Proportional to 35,719.68, 49,290.59 and 19,584.42

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Solution

The fourth proportional to 35,719.68, 49,290.59 and 19,584.42 is: 27,025.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,719.68 : 49,290.59 = 19,584.42 : x
  2. Step 2: Convert to fraction form
    35,719.68/49,290.59 = 19,584.42/x
  3. Step 3: Cross multiply
    35,719.68x = 49,290.59 × 19,584.42
  4. Step 4: Simplify right side
    35,719.68x = 965,327,480.73
  5. Step 5: Solve for x
    x = 965,327,480.73/35,719.68
  6. Step 6: Final answer
    x = 27,025.08

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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.