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Finding the Fourth Proportional to 73,980.90, 110,982.42 and 27,230.22

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Solution

The fourth proportional to 73,980.90, 110,982.42 and 27,230.22 is: 40,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,980.90 : 110,982.42 = 27,230.22 : x
  2. Step 2: Convert to fraction form
    73,980.90/110,982.42 = 27,230.22/x
  3. Step 3: Cross multiply
    73,980.90x = 110,982.42 × 27,230.22
  4. Step 4: Simplify right side
    73,980.90x = 3,022,075,712.73
  5. Step 5: Solve for x
    x = 3,022,075,712.73/73,980.90
  6. Step 6: Final answer
    x = 40,849.40

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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.