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Finding the Fourth Proportional to 9,221.22, 13,820.22 and 5,004.33

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Solution

The fourth proportional to 9,221.22, 13,820.22 and 5,004.33 is: 7,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.22 : 13,820.22 = 5,004.33 : x
  2. Step 2: Convert to fraction form
    9,221.22/13,820.22 = 5,004.33/x
  3. Step 3: Cross multiply
    9,221.22x = 13,820.22 × 5,004.33
  4. Step 4: Simplify right side
    9,221.22x = 69,160,941.55
  5. Step 5: Solve for x
    x = 69,160,941.55/9,221.22
  6. Step 6: Final answer
    x = 7,500.19

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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.