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Finding the Fourth Proportional to 11,805.95, 17,706.08 and 3,483.71

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Solution

The fourth proportional to 11,805.95, 17,706.08 and 3,483.71 is: 5,224.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.95 : 17,706.08 = 3,483.71 : x
  2. Step 2: Convert to fraction form
    11,805.95/17,706.08 = 3,483.71/x
  3. Step 3: Cross multiply
    11,805.95x = 17,706.08 × 3,483.71
  4. Step 4: Simplify right side
    11,805.95x = 61,682,900.93
  5. Step 5: Solve for x
    x = 61,682,900.93/11,805.95
  6. Step 6: Final answer
    x = 5,224.73

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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.