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Finding the Fourth Proportional to 43,898.66, 65,832.42 and 15,811.18

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Solution

The fourth proportional to 43,898.66, 65,832.42 and 15,811.18 is: 23,711.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,898.66 : 65,832.42 = 15,811.18 : x
  2. Step 2: Convert to fraction form
    43,898.66/65,832.42 = 15,811.18/x
  3. Step 3: Cross multiply
    43,898.66x = 65,832.42 × 15,811.18
  4. Step 4: Simplify right side
    43,898.66x = 1,040,888,242.46
  5. Step 5: Solve for x
    x = 1,040,888,242.46/43,898.66
  6. Step 6: Final answer
    x = 23,711.16

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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.