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Finding the Fourth Proportional to 8,017.67, 12,014.34 and 5,087.09

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Solution

The fourth proportional to 8,017.67, 12,014.34 and 5,087.09 is: 7,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,017.67 : 12,014.34 = 5,087.09 : x
  2. Step 2: Convert to fraction form
    8,017.67/12,014.34 = 5,087.09/x
  3. Step 3: Cross multiply
    8,017.67x = 12,014.34 × 5,087.09
  4. Step 4: Simplify right side
    8,017.67x = 61,117,968.80
  5. Step 5: Solve for x
    x = 61,117,968.80/8,017.67
  6. Step 6: Final answer
    x = 7,622.91

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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.