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Finding the Fourth Proportional to 53,940.99, 80,938.77 and 36,373.89

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Solution

The fourth proportional to 53,940.99, 80,938.77 and 36,373.89 is: 54,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,940.99 : 80,938.77 = 36,373.89 : x
  2. Step 2: Convert to fraction form
    53,940.99/80,938.77 = 36,373.89/x
  3. Step 3: Cross multiply
    53,940.99x = 80,938.77 × 36,373.89
  4. Step 4: Simplify right side
    53,940.99x = 2,944,057,916.72
  5. Step 5: Solve for x
    x = 2,944,057,916.72/53,940.99
  6. Step 6: Final answer
    x = 54,579.23

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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.