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Finding the Fourth Proportional to 43,743.44, 65,599.02 and 15,655.88

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Solution

The fourth proportional to 43,743.44, 65,599.02 and 15,655.88 is: 23,478.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,743.44 : 65,599.02 = 15,655.88 : x
  2. Step 2: Convert to fraction form
    43,743.44/65,599.02 = 15,655.88/x
  3. Step 3: Cross multiply
    43,743.44x = 65,599.02 × 15,655.88
  4. Step 4: Simplify right side
    43,743.44x = 1,027,010,385.24
  5. Step 5: Solve for x
    x = 1,027,010,385.24/43,743.44
  6. Step 6: Final answer
    x = 23,478.04

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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.