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Finding the Fourth Proportional to 44,611.85, 66,917.73 and 13,447.10

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Solution

The fourth proportional to 44,611.85, 66,917.73 and 13,447.10 is: 20,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,611.85 : 66,917.73 = 13,447.10 : x
  2. Step 2: Convert to fraction form
    44,611.85/66,917.73 = 13,447.10/x
  3. Step 3: Cross multiply
    44,611.85x = 66,917.73 × 13,447.10
  4. Step 4: Simplify right side
    44,611.85x = 899,849,407.08
  5. Step 5: Solve for x
    x = 899,849,407.08/44,611.85
  6. Step 6: Final answer
    x = 20,170.64

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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.