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Finding the Fourth Proportional to 17,761.80, 24,912.60 and 17,761.80

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Solution

The fourth proportional to 17,761.80, 24,912.60 and 17,761.80 is: 24,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.80 : 24,912.60 = 17,761.80 : x
  2. Step 2: Convert to fraction form
    17,761.80/24,912.60 = 17,761.80/x
  3. Step 3: Cross multiply
    17,761.80x = 24,912.60 × 17,761.80
  4. Step 4: Simplify right side
    17,761.80x = 442,492,618.68
  5. Step 5: Solve for x
    x = 442,492,618.68/17,761.80
  6. Step 6: Final answer
    x = 24,912.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.