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Finding the Fourth Proportional to 29,250.87, 43,860.09 and 13,659.99

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Solution

The fourth proportional to 29,250.87, 43,860.09 and 13,659.99 is: 20,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,250.87 : 43,860.09 = 13,659.99 : x
  2. Step 2: Convert to fraction form
    29,250.87/43,860.09 = 13,659.99/x
  3. Step 3: Cross multiply
    29,250.87x = 43,860.09 × 13,659.99
  4. Step 4: Simplify right side
    29,250.87x = 599,128,171.50
  5. Step 5: Solve for x
    x = 599,128,171.50/29,250.87
  6. Step 6: Final answer
    x = 20,482.41

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1.5x scale

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.