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Finding the Fourth Proportional to 35,489.79, 53,234.69 and 9,194.54

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Solution

The fourth proportional to 35,489.79, 53,234.69 and 9,194.54 is: 13,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,489.79 : 53,234.69 = 9,194.54 : x
  2. Step 2: Convert to fraction form
    35,489.79/53,234.69 = 9,194.54/x
  3. Step 3: Cross multiply
    35,489.79x = 53,234.69 × 9,194.54
  4. Step 4: Simplify right side
    35,489.79x = 489,468,174.45
  5. Step 5: Solve for x
    x = 489,468,174.45/35,489.79
  6. Step 6: Final answer
    x = 13,791.80

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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.