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Finding the Fourth Proportional to 5,768.16, 8,653.32 and 2,480.64

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Solution

The fourth proportional to 5,768.16, 8,653.32 and 2,480.64 is: 3,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.16 : 8,653.32 = 2,480.64 : x
  2. Step 2: Convert to fraction form
    5,768.16/8,653.32 = 2,480.64/x
  3. Step 3: Cross multiply
    5,768.16x = 8,653.32 × 2,480.64
  4. Step 4: Simplify right side
    5,768.16x = 21,465,771.72
  5. Step 5: Solve for x
    x = 21,465,771.72/5,768.16
  6. Step 6: Final answer
    x = 3,721.42

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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.