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Finding the Fourth Proportional to 8,308.98, 12,465.56 and 2,762.34

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Solution

The fourth proportional to 8,308.98, 12,465.56 and 2,762.34 is: 4,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.98 : 12,465.56 = 2,762.34 : x
  2. Step 2: Convert to fraction form
    8,308.98/12,465.56 = 2,762.34/x
  3. Step 3: Cross multiply
    8,308.98x = 12,465.56 × 2,762.34
  4. Step 4: Simplify right side
    8,308.98x = 34,434,115.01
  5. Step 5: Solve for x
    x = 34,434,115.01/8,308.98
  6. Step 6: Final answer
    x = 4,144.20

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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.