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Finding the Fourth Proportional to 43,752.36, 65,629.52 and 15,674.28

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Solution

The fourth proportional to 43,752.36, 65,629.52 and 15,674.28 is: 23,511.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,752.36 : 65,629.52 = 15,674.28 : x
  2. Step 2: Convert to fraction form
    43,752.36/65,629.52 = 15,674.28/x
  3. Step 3: Cross multiply
    43,752.36x = 65,629.52 × 15,674.28
  4. Step 4: Simplify right side
    43,752.36x = 1,028,695,472.75
  5. Step 5: Solve for x
    x = 1,028,695,472.75/43,752.36
  6. Step 6: Final answer
    x = 23,511.77

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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.