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Finding the Fourth Proportional to 73,744.80, 110,628.32 and 26,986.56

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Solution

The fourth proportional to 73,744.80, 110,628.32 and 26,986.56 is: 40,483.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,744.80 : 110,628.32 = 26,986.56 : x
  2. Step 2: Convert to fraction form
    73,744.80/110,628.32 = 26,986.56/x
  3. Step 3: Cross multiply
    73,744.80x = 110,628.32 × 26,986.56
  4. Step 4: Simplify right side
    73,744.80x = 2,985,477,795.38
  5. Step 5: Solve for x
    x = 2,985,477,795.38/73,744.80
  6. Step 6: Final answer
    x = 40,483.91

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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.