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Finding the Fourth Proportional to 44,610.63, 66,919.88 and 12,589.99

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Solution

The fourth proportional to 44,610.63, 66,919.88 and 12,589.99 is: 18,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,610.63 : 66,919.88 = 12,589.99 : x
  2. Step 2: Convert to fraction form
    44,610.63/66,919.88 = 12,589.99/x
  3. Step 3: Cross multiply
    44,610.63x = 66,919.88 × 12,589.99
  4. Step 4: Simplify right side
    44,610.63x = 842,520,651.48
  5. Step 5: Solve for x
    x = 842,520,651.48/44,610.63
  6. Step 6: Final answer
    x = 18,886.10

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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.