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Finding the Fourth Proportional to 33,672.02, 50,502.32 and 9,979.07

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Solution

The fourth proportional to 33,672.02, 50,502.32 and 9,979.07 is: 14,966.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,672.02 : 50,502.32 = 9,979.07 : x
  2. Step 2: Convert to fraction form
    33,672.02/50,502.32 = 9,979.07/x
  3. Step 3: Cross multiply
    33,672.02x = 50,502.32 × 9,979.07
  4. Step 4: Simplify right side
    33,672.02x = 503,966,136.55
  5. Step 5: Solve for x
    x = 503,966,136.55/33,672.02
  6. Step 6: Final answer
    x = 14,966.91

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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.