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Finding the Fourth Proportional to 77,992.52, 107,629.70 and 44,008.22

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Solution

The fourth proportional to 77,992.52, 107,629.70 and 44,008.22 is: 60,731.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,992.52 : 107,629.70 = 44,008.22 : x
  2. Step 2: Convert to fraction form
    77,992.52/107,629.70 = 44,008.22/x
  3. Step 3: Cross multiply
    77,992.52x = 107,629.70 × 44,008.22
  4. Step 4: Simplify right side
    77,992.52x = 4,736,590,757.94
  5. Step 5: Solve for x
    x = 4,736,590,757.94/77,992.52
  6. Step 6: Final answer
    x = 60,731.35

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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.