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Finding the Fourth Proportional to 43,751.60, 65,659.80 and 17,475.20

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Solution

The fourth proportional to 43,751.60, 65,659.80 and 17,475.20 is: 26,225.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,751.60 : 65,659.80 = 17,475.20 : x
  2. Step 2: Convert to fraction form
    43,751.60/65,659.80 = 17,475.20/x
  3. Step 3: Cross multiply
    43,751.60x = 65,659.80 × 17,475.20
  4. Step 4: Simplify right side
    43,751.60x = 1,147,418,136.96
  5. Step 5: Solve for x
    x = 1,147,418,136.96/43,751.60
  6. Step 6: Final answer
    x = 26,225.74

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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.