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Finding the Fourth Proportional to 43,974.68, 65,955.62 and 14,393.67

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Solution

The fourth proportional to 43,974.68, 65,955.62 and 14,393.67 is: 21,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,974.68 : 65,955.62 = 14,393.67 : x
  2. Step 2: Convert to fraction form
    43,974.68/65,955.62 = 14,393.67/x
  3. Step 3: Cross multiply
    43,974.68x = 65,955.62 × 14,393.67
  4. Step 4: Simplify right side
    43,974.68x = 949,343,356.96
  5. Step 5: Solve for x
    x = 949,343,356.96/43,974.68
  6. Step 6: Final answer
    x = 21,588.41

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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.