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Finding the Fourth Proportional to 4,828.31, 7,228.80 and 3,068.96

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Solution

The fourth proportional to 4,828.31, 7,228.80 and 3,068.96 is: 4,594.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.31 : 7,228.80 = 3,068.96 : x
  2. Step 2: Convert to fraction form
    4,828.31/7,228.80 = 3,068.96/x
  3. Step 3: Cross multiply
    4,828.31x = 7,228.80 × 3,068.96
  4. Step 4: Simplify right side
    4,828.31x = 22,184,861.90
  5. Step 5: Solve for x
    x = 22,184,861.90/4,828.31
  6. Step 6: Final answer
    x = 4,594.75

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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.