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Finding the Fourth Proportional to 4,576.43, 6,864.65 and 2,389.43

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Solution

The fourth proportional to 4,576.43, 6,864.65 and 2,389.43 is: 3,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576.43 : 6,864.65 = 2,389.43 : x
  2. Step 2: Convert to fraction form
    4,576.43/6,864.65 = 2,389.43/x
  3. Step 3: Cross multiply
    4,576.43x = 6,864.65 × 2,389.43
  4. Step 4: Simplify right side
    4,576.43x = 16,402,554.38
  5. Step 5: Solve for x
    x = 16,402,554.38/4,576.43
  6. Step 6: Final answer
    x = 3,584.14

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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.