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Finding the Fourth Proportional to 7,706.37, 11,559.56 and 1,862.98

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Solution

The fourth proportional to 7,706.37, 11,559.56 and 1,862.98 is: 2,794.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706.37 : 11,559.56 = 1,862.98 : x
  2. Step 2: Convert to fraction form
    7,706.37/11,559.56 = 1,862.98/x
  3. Step 3: Cross multiply
    7,706.37x = 11,559.56 × 1,862.98
  4. Step 4: Simplify right side
    7,706.37x = 21,535,229.09
  5. Step 5: Solve for x
    x = 21,535,229.09/7,706.37
  6. Step 6: Final answer
    x = 2,794.47

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Similar ratio
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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.