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Finding the Fourth Proportional to 55,408.68, 83,079.81 and 23,349.69

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Solution

The fourth proportional to 55,408.68, 83,079.81 and 23,349.69 is: 35,010.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,408.68 : 83,079.81 = 23,349.69 : x
  2. Step 2: Convert to fraction form
    55,408.68/83,079.81 = 23,349.69/x
  3. Step 3: Cross multiply
    55,408.68x = 83,079.81 × 23,349.69
  4. Step 4: Simplify right side
    55,408.68x = 1,939,887,808.76
  5. Step 5: Solve for x
    x = 1,939,887,808.76/55,408.68
  6. Step 6: Final answer
    x = 35,010.54

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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.