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Finding the Fourth Proportional to 18,423.58, 27,629.94 and 6,575.44

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Solution

The fourth proportional to 18,423.58, 27,629.94 and 6,575.44 is: 9,861.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.58 : 27,629.94 = 6,575.44 : x
  2. Step 2: Convert to fraction form
    18,423.58/27,629.94 = 6,575.44/x
  3. Step 3: Cross multiply
    18,423.58x = 27,629.94 × 6,575.44
  4. Step 4: Simplify right side
    18,423.58x = 181,679,012.67
  5. Step 5: Solve for x
    x = 181,679,012.67/18,423.58
  6. Step 6: Final answer
    x = 9,861.22

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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.