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Finding the Fourth Proportional to 6,451.26, 8,903.09 and 3,619.53

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Solution

The fourth proportional to 6,451.26, 8,903.09 and 3,619.53 is: 4,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.26 : 8,903.09 = 3,619.53 : x
  2. Step 2: Convert to fraction form
    6,451.26/8,903.09 = 3,619.53/x
  3. Step 3: Cross multiply
    6,451.26x = 8,903.09 × 3,619.53
  4. Step 4: Simplify right side
    6,451.26x = 32,225,010.40
  5. Step 5: Solve for x
    x = 32,225,010.40/6,451.26
  6. Step 6: Final answer
    x = 4,995.15

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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.