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Finding the Fourth Proportional to 73,323.03, 109,992.75 and 20,736.63

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Solution

The fourth proportional to 73,323.03, 109,992.75 and 20,736.63 is: 31,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,323.03 : 109,992.75 = 20,736.63 : x
  2. Step 2: Convert to fraction form
    73,323.03/109,992.75 = 20,736.63/x
  3. Step 3: Cross multiply
    73,323.03x = 109,992.75 × 20,736.63
  4. Step 4: Simplify right side
    73,323.03x = 2,280,878,959.43
  5. Step 5: Solve for x
    x = 2,280,878,959.43/73,323.03
  6. Step 6: Final answer
    x = 31,107.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.