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Finding the Fourth Proportional to 27,995.63, 41,994.25 and 7,219.13

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Solution

The fourth proportional to 27,995.63, 41,994.25 and 7,219.13 is: 10,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,995.63 : 41,994.25 = 7,219.13 : x
  2. Step 2: Convert to fraction form
    27,995.63/41,994.25 = 7,219.13/x
  3. Step 3: Cross multiply
    27,995.63x = 41,994.25 × 7,219.13
  4. Step 4: Simplify right side
    27,995.63x = 303,161,721.98
  5. Step 5: Solve for x
    x = 303,161,721.98/27,995.63
  6. Step 6: Final answer
    x = 10,828.90

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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.