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Finding the Fourth Proportional to 51,396.57, 70,939.11 and 33,460.33

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Solution

The fourth proportional to 51,396.57, 70,939.11 and 33,460.33 is: 46,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,396.57 : 70,939.11 = 33,460.33 : x
  2. Step 2: Convert to fraction form
    51,396.57/70,939.11 = 33,460.33/x
  3. Step 3: Cross multiply
    51,396.57x = 70,939.11 × 33,460.33
  4. Step 4: Simplify right side
    51,396.57x = 2,373,646,030.51
  5. Step 5: Solve for x
    x = 2,373,646,030.51/51,396.57
  6. Step 6: Final answer
    x = 46,182.97

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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.