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Finding the Fourth Proportional to 23,860.80, 32,926.50 and 13,249.80

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Solution

The fourth proportional to 23,860.80, 32,926.50 and 13,249.80 is: 18,283.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,860.80 : 32,926.50 = 13,249.80 : x
  2. Step 2: Convert to fraction form
    23,860.80/32,926.50 = 13,249.80/x
  3. Step 3: Cross multiply
    23,860.80x = 32,926.50 × 13,249.80
  4. Step 4: Simplify right side
    23,860.80x = 436,269,539.70
  5. Step 5: Solve for x
    x = 436,269,539.70/23,860.80
  6. Step 6: Final answer
    x = 18,283.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.