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Finding the Fourth Proportional to 6,651.25, 9,179.53 and 5,060.21

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Solution

The fourth proportional to 6,651.25, 9,179.53 and 5,060.21 is: 6,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.25 : 9,179.53 = 5,060.21 : x
  2. Step 2: Convert to fraction form
    6,651.25/9,179.53 = 5,060.21/x
  3. Step 3: Cross multiply
    6,651.25x = 9,179.53 × 5,060.21
  4. Step 4: Simplify right side
    6,651.25x = 46,450,290.95
  5. Step 5: Solve for x
    x = 46,450,290.95/6,651.25
  6. Step 6: Final answer
    x = 6,983.70

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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.