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Finding the Fourth Proportional to 55,995.82, 77,274.24 and 30,845.32

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Solution

The fourth proportional to 55,995.82, 77,274.24 and 30,845.32 is: 42,566.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,995.82 : 77,274.24 = 30,845.32 : x
  2. Step 2: Convert to fraction form
    55,995.82/77,274.24 = 30,845.32/x
  3. Step 3: Cross multiply
    55,995.82x = 77,274.24 × 30,845.32
  4. Step 4: Simplify right side
    55,995.82x = 2,383,548,351.70
  5. Step 5: Solve for x
    x = 2,383,548,351.70/55,995.82
  6. Step 6: Final answer
    x = 42,566.54

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1.5x scale

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.