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Finding the Fourth Proportional to 8,867.01, 13,291.39 and 3,019.21

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Solution

The fourth proportional to 8,867.01, 13,291.39 and 3,019.21 is: 4,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.01 : 13,291.39 = 3,019.21 : x
  2. Step 2: Convert to fraction form
    8,867.01/13,291.39 = 3,019.21/x
  3. Step 3: Cross multiply
    8,867.01x = 13,291.39 × 3,019.21
  4. Step 4: Simplify right side
    8,867.01x = 40,129,497.60
  5. Step 5: Solve for x
    x = 40,129,497.60/8,867.01
  6. Step 6: Final answer
    x = 4,525.71

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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.