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Finding the Fourth Proportional to 8,368.55, 12,555.10 and 4,673.43

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Solution

The fourth proportional to 8,368.55, 12,555.10 and 4,673.43 is: 7,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.55 : 12,555.10 = 4,673.43 : x
  2. Step 2: Convert to fraction form
    8,368.55/12,555.10 = 4,673.43/x
  3. Step 3: Cross multiply
    8,368.55x = 12,555.10 × 4,673.43
  4. Step 4: Simplify right side
    8,368.55x = 58,675,380.99
  5. Step 5: Solve for x
    x = 58,675,380.99/8,368.55
  6. Step 6: Final answer
    x = 7,011.42

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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.