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Finding the Fourth Proportional to 43,611.63, 65,375.93 and 14,008.71

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Solution

The fourth proportional to 43,611.63, 65,375.93 and 14,008.71 is: 20,999.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,611.63 : 65,375.93 = 14,008.71 : x
  2. Step 2: Convert to fraction form
    43,611.63/65,375.93 = 14,008.71/x
  3. Step 3: Cross multiply
    43,611.63x = 65,375.93 × 14,008.71
  4. Step 4: Simplify right side
    43,611.63x = 915,832,374.31
  5. Step 5: Solve for x
    x = 915,832,374.31/43,611.63
  6. Step 6: Final answer
    x = 20,999.73

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1.5x scale

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.