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Finding the Fourth Proportional to 55,362.99, 83,102.94 and 25,809.33

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Solution

The fourth proportional to 55,362.99, 83,102.94 and 25,809.33 is: 38,741.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,362.99 : 83,102.94 = 25,809.33 : x
  2. Step 2: Convert to fraction form
    55,362.99/83,102.94 = 25,809.33/x
  3. Step 3: Cross multiply
    55,362.99x = 83,102.94 × 25,809.33
  4. Step 4: Simplify right side
    55,362.99x = 2,144,831,202.43
  5. Step 5: Solve for x
    x = 2,144,831,202.43/55,362.99
  6. Step 6: Final answer
    x = 38,741.25

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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.