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Finding the Fourth Proportional to 44,187.66, 66,271.77 and 13,015.62

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Solution

The fourth proportional to 44,187.66, 66,271.77 and 13,015.62 is: 19,520.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,187.66 : 66,271.77 = 13,015.62 : x
  2. Step 2: Convert to fraction form
    44,187.66/66,271.77 = 13,015.62/x
  3. Step 3: Cross multiply
    44,187.66x = 66,271.77 × 13,015.62
  4. Step 4: Simplify right side
    44,187.66x = 862,568,175.05
  5. Step 5: Solve for x
    x = 862,568,175.05/44,187.66
  6. Step 6: Final answer
    x = 19,520.57

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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.