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Finding the Fourth Proportional to 2,392.74, 3,568.73 and 2,351.21

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Solution

The fourth proportional to 2,392.74, 3,568.73 and 2,351.21 is: 3,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.74 : 3,568.73 = 2,351.21 : x
  2. Step 2: Convert to fraction form
    2,392.74/3,568.73 = 2,351.21/x
  3. Step 3: Cross multiply
    2,392.74x = 3,568.73 × 2,351.21
  4. Step 4: Simplify right side
    2,392.74x = 8,390,804.06
  5. Step 5: Solve for x
    x = 8,390,804.06/2,392.74
  6. Step 6: Final answer
    x = 3,506.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.