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Finding the Fourth Proportional to 4,473, 6,172.71 and 2,456.45

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Solution

The fourth proportional to 4,473, 6,172.71 and 2,456.45 is: 3,389.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,473 : 6,172.71 = 2,456.45 : x
  2. Step 2: Convert to fraction form
    4,473/6,172.71 = 2,456.45/x
  3. Step 3: Cross multiply
    4,473x = 6,172.71 × 2,456.45
  4. Step 4: Simplify right side
    4,473x = 15,162,922.62
  5. Step 5: Solve for x
    x = 15,162,922.62/4,473
  6. Step 6: Final answer
    x = 3,389.88

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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.