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Finding the Fourth Proportional to 16,796.95, 25,186.71 and 4,949.19

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Solution

The fourth proportional to 16,796.95, 25,186.71 and 4,949.19 is: 7,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,796.95 : 25,186.71 = 4,949.19 : x
  2. Step 2: Convert to fraction form
    16,796.95/25,186.71 = 4,949.19/x
  3. Step 3: Cross multiply
    16,796.95x = 25,186.71 × 4,949.19
  4. Step 4: Simplify right side
    16,796.95x = 124,653,813.26
  5. Step 5: Solve for x
    x = 124,653,813.26/16,796.95
  6. Step 6: Final answer
    x = 7,421.22

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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.