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Finding the Fourth Proportional to 51,259.40, 76,910.70 and 27,902.60

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Solution

The fourth proportional to 51,259.40, 76,910.70 and 27,902.60 is: 41,865.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,259.40 : 76,910.70 = 27,902.60 : x
  2. Step 2: Convert to fraction form
    51,259.40/76,910.70 = 27,902.60/x
  3. Step 3: Cross multiply
    51,259.40x = 76,910.70 × 27,902.60
  4. Step 4: Simplify right side
    51,259.40x = 2,146,008,497.82
  5. Step 5: Solve for x
    x = 2,146,008,497.82/51,259.40
  6. Step 6: Final answer
    x = 41,865.66

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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.