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Finding the Fourth Proportional to 53,391.44, 80,086.08 and 15,951.62

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Solution

The fourth proportional to 53,391.44, 80,086.08 and 15,951.62 is: 23,927.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,391.44 : 80,086.08 = 15,951.62 : x
  2. Step 2: Convert to fraction form
    53,391.44/80,086.08 = 15,951.62/x
  3. Step 3: Cross multiply
    53,391.44x = 80,086.08 × 15,951.62
  4. Step 4: Simplify right side
    53,391.44x = 1,277,502,975.48
  5. Step 5: Solve for x
    x = 1,277,502,975.48/53,391.44
  6. Step 6: Final answer
    x = 23,927.11

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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.