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Finding the Fourth Proportional to 4,687.84, 6,468.88 and 2,592

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Solution

The fourth proportional to 4,687.84, 6,468.88 and 2,592 is: 3,576.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.84 : 6,468.88 = 2,592 : x
  2. Step 2: Convert to fraction form
    4,687.84/6,468.88 = 2,592/x
  3. Step 3: Cross multiply
    4,687.84x = 6,468.88 × 2,592
  4. Step 4: Simplify right side
    4,687.84x = 16,767,336.96
  5. Step 5: Solve for x
    x = 16,767,336.96/4,687.84
  6. Step 6: Final answer
    x = 3,576.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.