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Finding the Fourth Proportional to 32,808.30, 49,220.24 and 10,621.68

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Solution

The fourth proportional to 32,808.30, 49,220.24 and 10,621.68 is: 15,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,808.30 : 49,220.24 = 10,621.68 : x
  2. Step 2: Convert to fraction form
    32,808.30/49,220.24 = 10,621.68/x
  3. Step 3: Cross multiply
    32,808.30x = 49,220.24 × 10,621.68
  4. Step 4: Simplify right side
    32,808.30x = 522,801,638.80
  5. Step 5: Solve for x
    x = 522,801,638.80/32,808.30
  6. Step 6: Final answer
    x = 15,935.04

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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.