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Finding the Fourth Proportional to 23,468.60, 34,993.54 and 20,860.60

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Solution

The fourth proportional to 23,468.60, 34,993.54 and 20,860.60 is: 31,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,468.60 : 34,993.54 = 20,860.60 : x
  2. Step 2: Convert to fraction form
    23,468.60/34,993.54 = 20,860.60/x
  3. Step 3: Cross multiply
    23,468.60x = 34,993.54 × 20,860.60
  4. Step 4: Simplify right side
    23,468.60x = 729,986,065.56
  5. Step 5: Solve for x
    x = 729,986,065.56/23,468.60
  6. Step 6: Final answer
    x = 31,104.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.