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Finding the Fourth Proportional to 7,684.44, 11,516.59 and 7,491.25

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Solution

The fourth proportional to 7,684.44, 11,516.59 and 7,491.25 is: 11,227.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684.44 : 11,516.59 = 7,491.25 : x
  2. Step 2: Convert to fraction form
    7,684.44/11,516.59 = 7,491.25/x
  3. Step 3: Cross multiply
    7,684.44x = 11,516.59 × 7,491.25
  4. Step 4: Simplify right side
    7,684.44x = 86,273,654.84
  5. Step 5: Solve for x
    x = 86,273,654.84/7,684.44
  6. Step 6: Final answer
    x = 11,227.06

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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.