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Finding the Fourth Proportional to 32,809.80, 49,187.70 and 14,104.20

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Solution

The fourth proportional to 32,809.80, 49,187.70 and 14,104.20 is: 21,144.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,809.80 : 49,187.70 = 14,104.20 : x
  2. Step 2: Convert to fraction form
    32,809.80/49,187.70 = 14,104.20/x
  3. Step 3: Cross multiply
    32,809.80x = 49,187.70 × 14,104.20
  4. Step 4: Simplify right side
    32,809.80x = 693,753,158.34
  5. Step 5: Solve for x
    x = 693,753,158.34/32,809.80
  6. Step 6: Final answer
    x = 21,144.69

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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.