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Finding the Fourth Proportional to 47,755.60, 65,883.86 and 27,608.78

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Solution

The fourth proportional to 47,755.60, 65,883.86 and 27,608.78 is: 38,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,755.60 : 65,883.86 = 27,608.78 : x
  2. Step 2: Convert to fraction form
    47,755.60/65,883.86 = 27,608.78/x
  3. Step 3: Cross multiply
    47,755.60x = 65,883.86 × 27,608.78
  4. Step 4: Simplify right side
    47,755.60x = 1,818,972,996.29
  5. Step 5: Solve for x
    x = 1,818,972,996.29/47,755.60
  6. Step 6: Final answer
    x = 38,089.21

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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.