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Finding the Fourth Proportional to 2,768.58, 4,133.16 and 2,353.32

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Solution

The fourth proportional to 2,768.58, 4,133.16 and 2,353.32 is: 3,513.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.58 : 4,133.16 = 2,353.32 : x
  2. Step 2: Convert to fraction form
    2,768.58/4,133.16 = 2,353.32/x
  3. Step 3: Cross multiply
    2,768.58x = 4,133.16 × 2,353.32
  4. Step 4: Simplify right side
    2,768.58x = 9,726,648.09
  5. Step 5: Solve for x
    x = 9,726,648.09/2,768.58
  6. Step 6: Final answer
    x = 3,513.23

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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.