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Finding the Fourth Proportional to 53,862.63, 80,793.99 and 25,776.09

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Solution

The fourth proportional to 53,862.63, 80,793.99 and 25,776.09 is: 38,664.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862.63 : 80,793.99 = 25,776.09 : x
  2. Step 2: Convert to fraction form
    53,862.63/80,793.99 = 25,776.09/x
  3. Step 3: Cross multiply
    53,862.63x = 80,793.99 × 25,776.09
  4. Step 4: Simplify right side
    53,862.63x = 2,082,553,157.70
  5. Step 5: Solve for x
    x = 2,082,553,157.70/53,862.63
  6. Step 6: Final answer
    x = 38,664.16

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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.