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Finding the Fourth Proportional to 7,651.02, 11,480.58 and 6,617.74

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Solution

The fourth proportional to 7,651.02, 11,480.58 and 6,617.74 is: 9,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.02 : 11,480.58 = 6,617.74 : x
  2. Step 2: Convert to fraction form
    7,651.02/11,480.58 = 6,617.74/x
  3. Step 3: Cross multiply
    7,651.02x = 11,480.58 × 6,617.74
  4. Step 4: Simplify right side
    7,651.02x = 75,975,493.49
  5. Step 5: Solve for x
    x = 75,975,493.49/7,651.02
  6. Step 6: Final answer
    x = 9,930.11

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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.