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Finding the Fourth Proportional to 28,797.68, 43,168.77 and 14,764.30

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Solution

The fourth proportional to 28,797.68, 43,168.77 and 14,764.30 is: 22,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797.68 : 43,168.77 = 14,764.30 : x
  2. Step 2: Convert to fraction form
    28,797.68/43,168.77 = 14,764.30/x
  3. Step 3: Cross multiply
    28,797.68x = 43,168.77 × 14,764.30
  4. Step 4: Simplify right side
    28,797.68x = 637,356,562.99
  5. Step 5: Solve for x
    x = 637,356,562.99/28,797.68
  6. Step 6: Final answer
    x = 22,132.22

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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.