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Finding the Fourth Proportional to 77,995.56, 107,633.76 and 44,004

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Solution

The fourth proportional to 77,995.56, 107,633.76 and 44,004 is: 60,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,995.56 : 107,633.76 = 44,004 : x
  2. Step 2: Convert to fraction form
    77,995.56/107,633.76 = 44,004/x
  3. Step 3: Cross multiply
    77,995.56x = 107,633.76 × 44,004
  4. Step 4: Simplify right side
    77,995.56x = 4,736,315,975.04
  5. Step 5: Solve for x
    x = 4,736,315,975.04/77,995.56
  6. Step 6: Final answer
    x = 60,725.46

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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.