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Finding the Fourth Proportional to 25,673.82, 35,430.11 and 15,063.63

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Solution

The fourth proportional to 25,673.82, 35,430.11 and 15,063.63 is: 20,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,673.82 : 35,430.11 = 15,063.63 : x
  2. Step 2: Convert to fraction form
    25,673.82/35,430.11 = 15,063.63/x
  3. Step 3: Cross multiply
    25,673.82x = 35,430.11 × 15,063.63
  4. Step 4: Simplify right side
    25,673.82x = 533,706,067.90
  5. Step 5: Solve for x
    x = 533,706,067.90/25,673.82
  6. Step 6: Final answer
    x = 20,787.95

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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.