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Finding the Fourth Proportional to 6,452.19, 8,903.71 and 3,619.21

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Solution

The fourth proportional to 6,452.19, 8,903.71 and 3,619.21 is: 4,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,452.19 : 8,903.71 = 3,619.21 : x
  2. Step 2: Convert to fraction form
    6,452.19/8,903.71 = 3,619.21/x
  3. Step 3: Cross multiply
    6,452.19x = 8,903.71 × 3,619.21
  4. Step 4: Simplify right side
    6,452.19x = 32,224,396.27
  5. Step 5: Solve for x
    x = 32,224,396.27/6,452.19
  6. Step 6: Final answer
    x = 4,994.33

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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.