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Finding the Fourth Proportional to 43,466.63, 65,199.94 and 12,301.88

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Solution

The fourth proportional to 43,466.63, 65,199.94 and 12,301.88 is: 18,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,466.63 : 65,199.94 = 12,301.88 : x
  2. Step 2: Convert to fraction form
    43,466.63/65,199.94 = 12,301.88/x
  3. Step 3: Cross multiply
    43,466.63x = 65,199.94 × 12,301.88
  4. Step 4: Simplify right side
    43,466.63x = 802,081,481.13
  5. Step 5: Solve for x
    x = 802,081,481.13/43,466.63
  6. Step 6: Final answer
    x = 18,452.81

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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.