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Finding the Fourth Proportional to 16,782.88, 25,176.84 and 5,094.80

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Solution

The fourth proportional to 16,782.88, 25,176.84 and 5,094.80 is: 7,642.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.88 : 25,176.84 = 5,094.80 : x
  2. Step 2: Convert to fraction form
    16,782.88/25,176.84 = 5,094.80/x
  3. Step 3: Cross multiply
    16,782.88x = 25,176.84 × 5,094.80
  4. Step 4: Simplify right side
    16,782.88x = 128,270,964.43
  5. Step 5: Solve for x
    x = 128,270,964.43/16,782.88
  6. Step 6: Final answer
    x = 7,642.96

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