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Finding the Fourth Proportional to 17,803.99, 26,705.69 and 7,271.70

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Solution

The fourth proportional to 17,803.99, 26,705.69 and 7,271.70 is: 10,907.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,803.99 : 26,705.69 = 7,271.70 : x
  2. Step 2: Convert to fraction form
    17,803.99/26,705.69 = 7,271.70/x
  3. Step 3: Cross multiply
    17,803.99x = 26,705.69 × 7,271.70
  4. Step 4: Simplify right side
    17,803.99x = 194,195,765.97
  5. Step 5: Solve for x
    x = 194,195,765.97/17,803.99
  6. Step 6: Final answer
    x = 10,907.43

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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.