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Finding the Fourth Proportional to 61,512.14, 84,893.16 and 37,654.70

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Solution

The fourth proportional to 61,512.14, 84,893.16 and 37,654.70 is: 51,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,512.14 : 84,893.16 = 37,654.70 : x
  2. Step 2: Convert to fraction form
    61,512.14/84,893.16 = 37,654.70/x
  3. Step 3: Cross multiply
    61,512.14x = 84,893.16 × 37,654.70
  4. Step 4: Simplify right side
    61,512.14x = 3,196,626,471.85
  5. Step 5: Solve for x
    x = 3,196,626,471.85/61,512.14
  6. Step 6: Final answer
    x = 51,967.41

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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.