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Finding the Fourth Proportional to 7,962.75, 11,860.01 and 7,546.41

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Solution

The fourth proportional to 7,962.75, 11,860.01 and 7,546.41 is: 11,239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.75 : 11,860.01 = 7,546.41 : x
  2. Step 2: Convert to fraction form
    7,962.75/11,860.01 = 7,546.41/x
  3. Step 3: Cross multiply
    7,962.75x = 11,860.01 × 7,546.41
  4. Step 4: Simplify right side
    7,962.75x = 89,500,460.33
  5. Step 5: Solve for x
    x = 89,500,460.33/7,962.75
  6. Step 6: Final answer
    x = 11,239.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.