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Finding the Fourth Proportional to 51,896.25, 77,789.03 and 22,316.40

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Solution

The fourth proportional to 51,896.25, 77,789.03 and 22,316.40 is: 33,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,896.25 : 77,789.03 = 22,316.40 : x
  2. Step 2: Convert to fraction form
    51,896.25/77,789.03 = 22,316.40/x
  3. Step 3: Cross multiply
    51,896.25x = 77,789.03 × 22,316.40
  4. Step 4: Simplify right side
    51,896.25x = 1,735,970,997.51
  5. Step 5: Solve for x
    x = 1,735,970,997.51/51,896.25
  6. Step 6: Final answer
    x = 33,450.80

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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.