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Finding the Fourth Proportional to 2,384.43, 3,576.26 and 652.65

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Solution

The fourth proportional to 2,384.43, 3,576.26 and 652.65 is: 978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.43 : 3,576.26 = 652.65 : x
  2. Step 2: Convert to fraction form
    2,384.43/3,576.26 = 652.65/x
  3. Step 3: Cross multiply
    2,384.43x = 3,576.26 × 652.65
  4. Step 4: Simplify right side
    2,384.43x = 2,334,024.94
  5. Step 5: Solve for x
    x = 2,334,024.94/2,384.43
  6. Step 6: Final answer
    x = 978.86

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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.