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Finding the Fourth Proportional to 55,480.53, 76,564.62 and 33,969.81

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Solution

The fourth proportional to 55,480.53, 76,564.62 and 33,969.81 is: 46,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,480.53 : 76,564.62 = 33,969.81 : x
  2. Step 2: Convert to fraction form
    55,480.53/76,564.62 = 33,969.81/x
  3. Step 3: Cross multiply
    55,480.53x = 76,564.62 × 33,969.81
  4. Step 4: Simplify right side
    55,480.53x = 2,600,885,594.12
  5. Step 5: Solve for x
    x = 2,600,885,594.12/55,480.53
  6. Step 6: Final answer
    x = 46,879.25

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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.