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Finding the Fourth Proportional to 6,652.85, 9,180.99 and 3,668.80

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Solution

The fourth proportional to 6,652.85, 9,180.99 and 3,668.80 is: 5,062.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652.85 : 9,180.99 = 3,668.80 : x
  2. Step 2: Convert to fraction form
    6,652.85/9,180.99 = 3,668.80/x
  3. Step 3: Cross multiply
    6,652.85x = 9,180.99 × 3,668.80
  4. Step 4: Simplify right side
    6,652.85x = 33,683,216.11
  5. Step 5: Solve for x
    x = 33,683,216.11/6,652.85
  6. Step 6: Final answer
    x = 5,062.98

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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.