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Finding the Fourth Proportional to 4,928.27, 6,801.02 and 3,159.88

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Solution

The fourth proportional to 4,928.27, 6,801.02 and 3,159.88 is: 4,360.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.27 : 6,801.02 = 3,159.88 : x
  2. Step 2: Convert to fraction form
    4,928.27/6,801.02 = 3,159.88/x
  3. Step 3: Cross multiply
    4,928.27x = 6,801.02 × 3,159.88
  4. Step 4: Simplify right side
    4,928.27x = 21,490,416.65
  5. Step 5: Solve for x
    x = 21,490,416.65/4,928.27
  6. Step 6: Final answer
    x = 4,360.64

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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.