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Finding the Fourth Proportional to 6,650.55, 9,182.07 and 4,135.41

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Solution

The fourth proportional to 6,650.55, 9,182.07 and 4,135.41 is: 5,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.55 : 9,182.07 = 4,135.41 : x
  2. Step 2: Convert to fraction form
    6,650.55/9,182.07 = 4,135.41/x
  3. Step 3: Cross multiply
    6,650.55x = 9,182.07 × 4,135.41
  4. Step 4: Simplify right side
    6,650.55x = 37,971,624.10
  5. Step 5: Solve for x
    x = 37,971,624.10/6,650.55
  6. Step 6: Final answer
    x = 5,709.55

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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.