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Finding the Fourth Proportional to 6,679.66, 10,017.86 and 3,556.84

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Solution

The fourth proportional to 6,679.66, 10,017.86 and 3,556.84 is: 5,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.66 : 10,017.86 = 3,556.84 : x
  2. Step 2: Convert to fraction form
    6,679.66/10,017.86 = 3,556.84/x
  3. Step 3: Cross multiply
    6,679.66x = 10,017.86 × 3,556.84
  4. Step 4: Simplify right side
    6,679.66x = 35,631,925.16
  5. Step 5: Solve for x
    x = 35,631,925.16/6,679.66
  6. Step 6: Final answer
    x = 5,334.39

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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.