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Finding the Fourth Proportional to 3,248.81, 4,866.41 and 3,015.32

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Solution

The fourth proportional to 3,248.81, 4,866.41 and 3,015.32 is: 4,516.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.81 : 4,866.41 = 3,015.32 : x
  2. Step 2: Convert to fraction form
    3,248.81/4,866.41 = 3,015.32/x
  3. Step 3: Cross multiply
    3,248.81x = 4,866.41 × 3,015.32
  4. Step 4: Simplify right side
    3,248.81x = 14,673,743.99
  5. Step 5: Solve for x
    x = 14,673,743.99/3,248.81
  6. Step 6: Final answer
    x = 4,516.66

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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.