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Finding the Fourth Proportional to 32,884.80, 49,300.20 and 14,179.20

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Solution

The fourth proportional to 32,884.80, 49,300.20 and 14,179.20 is: 21,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,884.80 : 49,300.20 = 14,179.20 : x
  2. Step 2: Convert to fraction form
    32,884.80/49,300.20 = 14,179.20/x
  3. Step 3: Cross multiply
    32,884.80x = 49,300.20 × 14,179.20
  4. Step 4: Simplify right side
    32,884.80x = 699,037,395.84
  5. Step 5: Solve for x
    x = 699,037,395.84/32,884.80
  6. Step 6: Final answer
    x = 21,257.16

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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.