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Finding the Fourth Proportional to 77,992.64, 107,629.86 and 44,008.34

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Solution

The fourth proportional to 77,992.64, 107,629.86 and 44,008.34 is: 60,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,992.64 : 107,629.86 = 44,008.34 : x
  2. Step 2: Convert to fraction form
    77,992.64/107,629.86 = 44,008.34/x
  3. Step 3: Cross multiply
    77,992.64x = 107,629.86 × 44,008.34
  4. Step 4: Simplify right side
    77,992.64x = 4,736,611,473.03
  5. Step 5: Solve for x
    x = 4,736,611,473.03/77,992.64
  6. Step 6: Final answer
    x = 60,731.52

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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.