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Finding the Fourth Proportional to 55,343.92, 83,021.04 and 22,055.92

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Solution

The fourth proportional to 55,343.92, 83,021.04 and 22,055.92 is: 33,085.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,343.92 : 83,021.04 = 22,055.92 : x
  2. Step 2: Convert to fraction form
    55,343.92/83,021.04 = 22,055.92/x
  3. Step 3: Cross multiply
    55,343.92x = 83,021.04 × 22,055.92
  4. Step 4: Simplify right side
    55,343.92x = 1,831,105,416.56
  5. Step 5: Solve for x
    x = 1,831,105,416.56/55,343.92
  6. Step 6: Final answer
    x = 33,085.94

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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.