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Finding the Fourth Proportional to 43,350.66, 65,025.90 and 17,040.96

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Solution

The fourth proportional to 43,350.66, 65,025.90 and 17,040.96 is: 25,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,350.66 : 65,025.90 = 17,040.96 : x
  2. Step 2: Convert to fraction form
    43,350.66/65,025.90 = 17,040.96/x
  3. Step 3: Cross multiply
    43,350.66x = 65,025.90 × 17,040.96
  4. Step 4: Simplify right side
    43,350.66x = 1,108,103,760.86
  5. Step 5: Solve for x
    x = 1,108,103,760.86/43,350.66
  6. Step 6: Final answer
    x = 25,561.40

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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.