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Finding the Fourth Proportional to 25,659.84, 35,388.48 and 16,704

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Solution

The fourth proportional to 25,659.84, 35,388.48 and 16,704 is: 23,037.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,659.84 : 35,388.48 = 16,704 : x
  2. Step 2: Convert to fraction form
    25,659.84/35,388.48 = 16,704/x
  3. Step 3: Cross multiply
    25,659.84x = 35,388.48 × 16,704
  4. Step 4: Simplify right side
    25,659.84x = 591,129,169.92
  5. Step 5: Solve for x
    x = 591,129,169.92/25,659.84
  6. Step 6: Final answer
    x = 23,037.13

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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.