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Finding the Fourth Proportional to 25,759.77, 35,552.06 and 18,612.80

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Solution

The fourth proportional to 25,759.77, 35,552.06 and 18,612.80 is: 25,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759.77 : 35,552.06 = 18,612.80 : x
  2. Step 2: Convert to fraction form
    25,759.77/35,552.06 = 18,612.80/x
  3. Step 3: Cross multiply
    25,759.77x = 35,552.06 × 18,612.80
  4. Step 4: Simplify right side
    25,759.77x = 661,723,382.37
  5. Step 5: Solve for x
    x = 661,723,382.37/25,759.77
  6. Step 6: Final answer
    x = 25,688.25

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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.