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Finding the Fourth Proportional to 25,057.66, 34,579.18 and 13,727.06

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Solution

The fourth proportional to 25,057.66, 34,579.18 and 13,727.06 is: 18,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,057.66 : 34,579.18 = 13,727.06 : x
  2. Step 2: Convert to fraction form
    25,057.66/34,579.18 = 13,727.06/x
  3. Step 3: Cross multiply
    25,057.66x = 34,579.18 × 13,727.06
  4. Step 4: Simplify right side
    25,057.66x = 474,670,478.61
  5. Step 5: Solve for x
    x = 474,670,478.61/25,057.66
  6. Step 6: Final answer
    x = 18,943.13

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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.