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Finding the Fourth Proportional to 5,018.64, 6,922.08 and 3,028.32

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Solution

The fourth proportional to 5,018.64, 6,922.08 and 3,028.32 is: 4,176.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.64 : 6,922.08 = 3,028.32 : x
  2. Step 2: Convert to fraction form
    5,018.64/6,922.08 = 3,028.32/x
  3. Step 3: Cross multiply
    5,018.64x = 6,922.08 × 3,028.32
  4. Step 4: Simplify right side
    5,018.64x = 20,962,273.31
  5. Step 5: Solve for x
    x = 20,962,273.31/5,018.64
  6. Step 6: Final answer
    x = 4,176.88

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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.