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Finding the Fourth Proportional to 16,173, 24,259.50 and 5,079.51

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Solution

The fourth proportional to 16,173, 24,259.50 and 5,079.51 is: 7,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,173 : 24,259.50 = 5,079.51 : x
  2. Step 2: Convert to fraction form
    16,173/24,259.50 = 5,079.51/x
  3. Step 3: Cross multiply
    16,173x = 24,259.50 × 5,079.51
  4. Step 4: Simplify right side
    16,173x = 123,226,372.85
  5. Step 5: Solve for x
    x = 123,226,372.85/16,173
  6. Step 6: Final answer
    x = 7,619.27

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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.