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Finding the Fourth Proportional to 6,999.34, 9,651.08 and 5,227.96

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Solution

The fourth proportional to 6,999.34, 9,651.08 and 5,227.96 is: 7,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.34 : 9,651.08 = 5,227.96 : x
  2. Step 2: Convert to fraction form
    6,999.34/9,651.08 = 5,227.96/x
  3. Step 3: Cross multiply
    6,999.34x = 9,651.08 × 5,227.96
  4. Step 4: Simplify right side
    6,999.34x = 50,455,460.20
  5. Step 5: Solve for x
    x = 50,455,460.20/6,999.34
  6. Step 6: Final answer
    x = 7,208.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.