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Finding the Fourth Proportional to 29,809.22, 44,713.64 and 7,622.55

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Solution

The fourth proportional to 29,809.22, 44,713.64 and 7,622.55 is: 11,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,809.22 : 44,713.64 = 7,622.55 : x
  2. Step 2: Convert to fraction form
    29,809.22/44,713.64 = 7,622.55/x
  3. Step 3: Cross multiply
    29,809.22x = 44,713.64 × 7,622.55
  4. Step 4: Simplify right side
    29,809.22x = 340,831,918.47
  5. Step 5: Solve for x
    x = 340,831,918.47/29,809.22
  6. Step 6: Final answer
    x = 11,433.78

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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.