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Finding the Fourth Proportional to 43,989.89, 65,994.05 and 19,033.49

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Solution

The fourth proportional to 43,989.89, 65,994.05 and 19,033.49 is: 28,554.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,989.89 : 65,994.05 = 19,033.49 : x
  2. Step 2: Convert to fraction form
    43,989.89/65,994.05 = 19,033.49/x
  3. Step 3: Cross multiply
    43,989.89x = 65,994.05 × 19,033.49
  4. Step 4: Simplify right side
    43,989.89x = 1,256,096,665.60
  5. Step 5: Solve for x
    x = 1,256,096,665.60/43,989.89
  6. Step 6: Final answer
    x = 28,554.22

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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.