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Finding the Fourth Proportional to 34,473.72, 51,702.48 and 21,975.42

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Solution

The fourth proportional to 34,473.72, 51,702.48 and 21,975.42 is: 32,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,473.72 : 51,702.48 = 21,975.42 : x
  2. Step 2: Convert to fraction form
    34,473.72/51,702.48 = 21,975.42/x
  3. Step 3: Cross multiply
    34,473.72x = 51,702.48 × 21,975.42
  4. Step 4: Simplify right side
    34,473.72x = 1,136,183,713.04
  5. Step 5: Solve for x
    x = 1,136,183,713.04/34,473.72
  6. Step 6: Final answer
    x = 32,957.97

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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.