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Finding the Fourth Proportional to 8,772.65, 13,150.30 and 3,504.52

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Solution

The fourth proportional to 8,772.65, 13,150.30 and 3,504.52 is: 5,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.65 : 13,150.30 = 3,504.52 : x
  2. Step 2: Convert to fraction form
    8,772.65/13,150.30 = 3,504.52/x
  3. Step 3: Cross multiply
    8,772.65x = 13,150.30 × 3,504.52
  4. Step 4: Simplify right side
    8,772.65x = 46,085,429.63
  5. Step 5: Solve for x
    x = 46,085,429.63/8,772.65
  6. Step 6: Final answer
    x = 5,253.31

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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.