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Finding the Fourth Proportional to 11,805.95, 17,708.93 and 3,040.64

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Solution

The fourth proportional to 11,805.95, 17,708.93 and 3,040.64 is: 4,560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.95 : 17,708.93 = 3,040.64 : x
  2. Step 2: Convert to fraction form
    11,805.95/17,708.93 = 3,040.64/x
  3. Step 3: Cross multiply
    11,805.95x = 17,708.93 × 3,040.64
  4. Step 4: Simplify right side
    11,805.95x = 53,846,454.98
  5. Step 5: Solve for x
    x = 53,846,454.98/11,805.95
  6. Step 6: Final answer
    x = 4,560.96

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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.