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Finding the Fourth Proportional to 8,750.58, 13,131.32 and 3,556.46

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Solution

The fourth proportional to 8,750.58, 13,131.32 and 3,556.46 is: 5,336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.58 : 13,131.32 = 3,556.46 : x
  2. Step 2: Convert to fraction form
    8,750.58/13,131.32 = 3,556.46/x
  3. Step 3: Cross multiply
    8,750.58x = 13,131.32 × 3,556.46
  4. Step 4: Simplify right side
    8,750.58x = 46,700,930.89
  5. Step 5: Solve for x
    x = 46,700,930.89/8,750.58
  6. Step 6: Final answer
    x = 5,336.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.