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Finding the Fourth Proportional to 4,548.84, 6,278.67 and 2,661

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Solution

The fourth proportional to 4,548.84, 6,278.67 and 2,661 is: 3,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,548.84 : 6,278.67 = 2,661 : x
  2. Step 2: Convert to fraction form
    4,548.84/6,278.67 = 2,661/x
  3. Step 3: Cross multiply
    4,548.84x = 6,278.67 × 2,661
  4. Step 4: Simplify right side
    4,548.84x = 16,707,540.87
  5. Step 5: Solve for x
    x = 16,707,540.87/4,548.84
  6. Step 6: Final answer
    x = 3,672.92

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1.5x scale

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.