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Finding the Fourth Proportional to 34,865.96, 48,114.86 and 19,761.48

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Solution

The fourth proportional to 34,865.96, 48,114.86 and 19,761.48 is: 27,270.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,865.96 : 48,114.86 = 19,761.48 : x
  2. Step 2: Convert to fraction form
    34,865.96/48,114.86 = 19,761.48/x
  3. Step 3: Cross multiply
    34,865.96x = 48,114.86 × 19,761.48
  4. Step 4: Simplify right side
    34,865.96x = 950,820,843.59
  5. Step 5: Solve for x
    x = 950,820,843.59/34,865.96
  6. Step 6: Final answer
    x = 27,270.75

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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.