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Finding the Fourth Proportional to 61,173.69, 91,749.56 and 16,794.60

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Solution

The fourth proportional to 61,173.69, 91,749.56 and 16,794.60 is: 25,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,173.69 : 91,749.56 = 16,794.60 : x
  2. Step 2: Convert to fraction form
    61,173.69/91,749.56 = 16,794.60/x
  3. Step 3: Cross multiply
    61,173.69x = 91,749.56 × 16,794.60
  4. Step 4: Simplify right side
    61,173.69x = 1,540,897,160.38
  5. Step 5: Solve for x
    x = 1,540,897,160.38/61,173.69
  6. Step 6: Final answer
    x = 25,188.89

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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.