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Finding the Fourth Proportional to 43,664.40, 65,480.40 and 17,363.70

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Solution

The fourth proportional to 43,664.40, 65,480.40 and 17,363.70 is: 26,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,664.40 : 65,480.40 = 17,363.70 : x
  2. Step 2: Convert to fraction form
    43,664.40/65,480.40 = 17,363.70/x
  3. Step 3: Cross multiply
    43,664.40x = 65,480.40 × 17,363.70
  4. Step 4: Simplify right side
    43,664.40x = 1,136,982,021.48
  5. Step 5: Solve for x
    x = 1,136,982,021.48/43,664.40
  6. Step 6: Final answer
    x = 26,039.11

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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.