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Finding the Fourth Proportional to 43,373.62, 65,060.45 and 12,208.87

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Solution

The fourth proportional to 43,373.62, 65,060.45 and 12,208.87 is: 18,313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,373.62 : 65,060.45 = 12,208.87 : x
  2. Step 2: Convert to fraction form
    43,373.62/65,060.45 = 12,208.87/x
  3. Step 3: Cross multiply
    43,373.62x = 65,060.45 × 12,208.87
  4. Step 4: Simplify right side
    43,373.62x = 794,314,576.19
  5. Step 5: Solve for x
    x = 794,314,576.19/43,373.62
  6. Step 6: Final answer
    x = 18,313.31

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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.