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Finding the Fourth Proportional to 23,720.73, 35,599.44 and 8,943.09

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Solution

The fourth proportional to 23,720.73, 35,599.44 and 8,943.09 is: 13,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,720.73 : 35,599.44 = 8,943.09 : x
  2. Step 2: Convert to fraction form
    23,720.73/35,599.44 = 8,943.09/x
  3. Step 3: Cross multiply
    23,720.73x = 35,599.44 × 8,943.09
  4. Step 4: Simplify right side
    23,720.73x = 318,368,995.87
  5. Step 5: Solve for x
    x = 318,368,995.87/23,720.73
  6. Step 6: Final answer
    x = 13,421.55

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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.