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Finding the Fourth Proportional to 25,950, 35,811.36 and 14,772

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Solution

The fourth proportional to 25,950, 35,811.36 and 14,772 is: 20,385.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,950 : 35,811.36 = 14,772 : x
  2. Step 2: Convert to fraction form
    25,950/35,811.36 = 14,772/x
  3. Step 3: Cross multiply
    25,950x = 35,811.36 × 14,772
  4. Step 4: Simplify right side
    25,950x = 529,005,409.92
  5. Step 5: Solve for x
    x = 529,005,409.92/25,950
  6. Step 6: Final answer
    x = 20,385.56

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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.