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Finding the Fourth Proportional to 53,893.66, 80,875.08 and 36,144.37

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Solution

The fourth proportional to 53,893.66, 80,875.08 and 36,144.37 is: 54,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,893.66 : 80,875.08 = 36,144.37 : x
  2. Step 2: Convert to fraction form
    53,893.66/80,875.08 = 36,144.37/x
  3. Step 3: Cross multiply
    53,893.66x = 80,875.08 × 36,144.37
  4. Step 4: Simplify right side
    53,893.66x = 2,923,178,815.30
  5. Step 5: Solve for x
    x = 2,923,178,815.30/53,893.66
  6. Step 6: Final answer
    x = 54,239.75

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1.5x scale

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.