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Finding the Fourth Proportional to 24,643.80, 36,965.70 and 16,770.60

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Solution

The fourth proportional to 24,643.80, 36,965.70 and 16,770.60 is: 25,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,643.80 : 36,965.70 = 16,770.60 : x
  2. Step 2: Convert to fraction form
    24,643.80/36,965.70 = 16,770.60/x
  3. Step 3: Cross multiply
    24,643.80x = 36,965.70 × 16,770.60
  4. Step 4: Simplify right side
    24,643.80x = 619,936,968.42
  5. Step 5: Solve for x
    x = 619,936,968.42/24,643.80
  6. Step 6: Final answer
    x = 25,155.90

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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.