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Finding the Fourth Proportional to 32,616.57, 48,942.63 and 21,528.48

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Solution

The fourth proportional to 32,616.57, 48,942.63 and 21,528.48 is: 32,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,616.57 : 48,942.63 = 21,528.48 : x
  2. Step 2: Convert to fraction form
    32,616.57/48,942.63 = 21,528.48/x
  3. Step 3: Cross multiply
    32,616.57x = 48,942.63 × 21,528.48
  4. Step 4: Simplify right side
    32,616.57x = 1,053,660,614.64
  5. Step 5: Solve for x
    x = 1,053,660,614.64/32,616.57
  6. Step 6: Final answer
    x = 32,304.45

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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.