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Finding the Fourth Proportional to 25,998.96, 35,846.01 and 21,698.22

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Solution

The fourth proportional to 25,998.96, 35,846.01 and 21,698.22 is: 29,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,998.96 : 35,846.01 = 21,698.22 : x
  2. Step 2: Convert to fraction form
    25,998.96/35,846.01 = 21,698.22/x
  3. Step 3: Cross multiply
    25,998.96x = 35,846.01 × 21,698.22
  4. Step 4: Simplify right side
    25,998.96x = 777,794,611.10
  5. Step 5: Solve for x
    x = 777,794,611.10/25,998.96
  6. Step 6: Final answer
    x = 29,916.37

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Double scale
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Similar ratio
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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.