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Finding the Fourth Proportional to 7,014.85, 9,722.30 and 6,883.63

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Solution

The fourth proportional to 7,014.85, 9,722.30 and 6,883.63 is: 9,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.85 : 9,722.30 = 6,883.63 : x
  2. Step 2: Convert to fraction form
    7,014.85/9,722.30 = 6,883.63/x
  3. Step 3: Cross multiply
    7,014.85x = 9,722.30 × 6,883.63
  4. Step 4: Simplify right side
    7,014.85x = 66,924,715.95
  5. Step 5: Solve for x
    x = 66,924,715.95/7,014.85
  6. Step 6: Final answer
    x = 9,540.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.