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Finding the Fourth Proportional to 6,679.51, 10,015.90 and 2,235.64

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Solution

The fourth proportional to 6,679.51, 10,015.90 and 2,235.64 is: 3,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.51 : 10,015.90 = 2,235.64 : x
  2. Step 2: Convert to fraction form
    6,679.51/10,015.90 = 2,235.64/x
  3. Step 3: Cross multiply
    6,679.51x = 10,015.90 × 2,235.64
  4. Step 4: Simplify right side
    6,679.51x = 22,391,946.68
  5. Step 5: Solve for x
    x = 22,391,946.68/6,679.51
  6. Step 6: Final answer
    x = 3,352.33

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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.