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Finding the Fourth Proportional to 25,873.01, 35,698.16 and 15,797.78

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Solution

The fourth proportional to 25,873.01, 35,698.16 and 15,797.78 is: 21,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,873.01 : 35,698.16 = 15,797.78 : x
  2. Step 2: Convert to fraction form
    25,873.01/35,698.16 = 15,797.78/x
  3. Step 3: Cross multiply
    25,873.01x = 35,698.16 × 15,797.78
  4. Step 4: Simplify right side
    25,873.01x = 563,951,420.61
  5. Step 5: Solve for x
    x = 563,951,420.61/25,873.01
  6. Step 6: Final answer
    x = 21,796.90

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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.