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Finding the Fourth Proportional to 4,954.14, 7,431.21 and 1,256.65

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Solution

The fourth proportional to 4,954.14, 7,431.21 and 1,256.65 is: 1,884.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,954.14 : 7,431.21 = 1,256.65 : x
  2. Step 2: Convert to fraction form
    4,954.14/7,431.21 = 1,256.65/x
  3. Step 3: Cross multiply
    4,954.14x = 7,431.21 × 1,256.65
  4. Step 4: Simplify right side
    4,954.14x = 9,338,411.47
  5. Step 5: Solve for x
    x = 9,338,411.47/4,954.14
  6. Step 6: Final answer
    x = 1,884.97

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Similar ratio
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1.5x scale

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.