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Finding the Fourth Proportional to 6,531.06, 9,790.44 and 3,240.99

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Solution

The fourth proportional to 6,531.06, 9,790.44 and 3,240.99 is: 4,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.06 : 9,790.44 = 3,240.99 : x
  2. Step 2: Convert to fraction form
    6,531.06/9,790.44 = 3,240.99/x
  3. Step 3: Cross multiply
    6,531.06x = 9,790.44 × 3,240.99
  4. Step 4: Simplify right side
    6,531.06x = 31,730,718.14
  5. Step 5: Solve for x
    x = 31,730,718.14/6,531.06
  6. Step 6: Final answer
    x = 4,858.43

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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.