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Finding the Fourth Proportional to 55,480.86, 83,242.26 and 33,309.69

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Solution

The fourth proportional to 55,480.86, 83,242.26 and 33,309.69 is: 49,977.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,480.86 : 83,242.26 = 33,309.69 : x
  2. Step 2: Convert to fraction form
    55,480.86/83,242.26 = 33,309.69/x
  3. Step 3: Cross multiply
    55,480.86x = 83,242.26 × 33,309.69
  4. Step 4: Simplify right side
    55,480.86x = 2,772,773,708.95
  5. Step 5: Solve for x
    x = 2,772,773,708.95/55,480.86
  6. Step 6: Final answer
    x = 49,977.12

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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.