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Finding the Fourth Proportional to 12,599.68, 18,873.60 and 7,393

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Solution

The fourth proportional to 12,599.68, 18,873.60 and 7,393 is: 11,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599.68 : 18,873.60 = 7,393 : x
  2. Step 2: Convert to fraction form
    12,599.68/18,873.60 = 7,393/x
  3. Step 3: Cross multiply
    12,599.68x = 18,873.60 × 7,393
  4. Step 4: Simplify right side
    12,599.68x = 139,532,524.80
  5. Step 5: Solve for x
    x = 139,532,524.80/12,599.68
  6. Step 6: Final answer
    x = 11,074.29

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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.