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Finding the Fourth Proportional to 57,864.81, 79,879.59 and 33,993.03

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Solution

The fourth proportional to 57,864.81, 79,879.59 and 33,993.03 is: 46,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,864.81 : 79,879.59 = 33,993.03 : x
  2. Step 2: Convert to fraction form
    57,864.81/79,879.59 = 33,993.03/x
  3. Step 3: Cross multiply
    57,864.81x = 79,879.59 × 33,993.03
  4. Step 4: Simplify right side
    57,864.81x = 2,715,349,299.26
  5. Step 5: Solve for x
    x = 2,715,349,299.26/57,864.81
  6. Step 6: Final answer
    x = 46,925.74

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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.