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Finding the Fourth Proportional to 16,716.88, 25,077.84 and 5,028.88

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Solution

The fourth proportional to 16,716.88, 25,077.84 and 5,028.88 is: 7,544.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,716.88 : 25,077.84 = 5,028.88 : x
  2. Step 2: Convert to fraction form
    16,716.88/25,077.84 = 5,028.88/x
  3. Step 3: Cross multiply
    16,716.88x = 25,077.84 × 5,028.88
  4. Step 4: Simplify right side
    16,716.88x = 126,113,448.02
  5. Step 5: Solve for x
    x = 126,113,448.02/16,716.88
  6. Step 6: Final answer
    x = 7,544.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.