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Finding the Fourth Proportional to 61,349.22, 84,654.36 and 35,512.38

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Solution

The fourth proportional to 61,349.22, 84,654.36 and 35,512.38 is: 49,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,349.22 : 84,654.36 = 35,512.38 : x
  2. Step 2: Convert to fraction form
    61,349.22/84,654.36 = 35,512.38/x
  3. Step 3: Cross multiply
    61,349.22x = 84,654.36 × 35,512.38
  4. Step 4: Simplify right side
    61,349.22x = 3,006,277,800.98
  5. Step 5: Solve for x
    x = 3,006,277,800.98/61,349.22
  6. Step 6: Final answer
    x = 49,002.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.