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Finding the Fourth Proportional to 4,548, 6,277.86 and 2,685

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Solution

The fourth proportional to 4,548, 6,277.86 and 2,685 is: 3,706.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,548 : 6,277.86 = 2,685 : x
  2. Step 2: Convert to fraction form
    4,548/6,277.86 = 2,685/x
  3. Step 3: Cross multiply
    4,548x = 6,277.86 × 2,685
  4. Step 4: Simplify right side
    4,548x = 16,856,054.10
  5. Step 5: Solve for x
    x = 16,856,054.10/4,548
  6. Step 6: Final answer
    x = 3,706.26

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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.