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Finding the Fourth Proportional to 43,703.67, 65,546.01 and 15,625.68

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Solution

The fourth proportional to 43,703.67, 65,546.01 and 15,625.68 is: 23,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,703.67 : 65,546.01 = 15,625.68 : x
  2. Step 2: Convert to fraction form
    43,703.67/65,546.01 = 15,625.68/x
  3. Step 3: Cross multiply
    43,703.67x = 65,546.01 × 15,625.68
  4. Step 4: Simplify right side
    43,703.67x = 1,024,200,977.54
  5. Step 5: Solve for x
    x = 1,024,200,977.54/43,703.67
  6. Step 6: Final answer
    x = 23,435.13

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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.