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Finding the Fourth Proportional to 25,908.57, 35,754.57 and 14,578.11

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Solution

The fourth proportional to 25,908.57, 35,754.57 and 14,578.11 is: 20,118.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,908.57 : 35,754.57 = 14,578.11 : x
  2. Step 2: Convert to fraction form
    25,908.57/35,754.57 = 14,578.11/x
  3. Step 3: Cross multiply
    25,908.57x = 35,754.57 × 14,578.11
  4. Step 4: Simplify right side
    25,908.57x = 521,234,054.46
  5. Step 5: Solve for x
    x = 521,234,054.46/25,908.57
  6. Step 6: Final answer
    x = 20,118.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.