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Finding the Fourth Proportional to 8,652.78, 11,940.03 and 4,875.33

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Solution

The fourth proportional to 8,652.78, 11,940.03 and 4,875.33 is: 6,727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.78 : 11,940.03 = 4,875.33 : x
  2. Step 2: Convert to fraction form
    8,652.78/11,940.03 = 4,875.33/x
  3. Step 3: Cross multiply
    8,652.78x = 11,940.03 × 4,875.33
  4. Step 4: Simplify right side
    8,652.78x = 58,211,514.57
  5. Step 5: Solve for x
    x = 58,211,514.57/8,652.78
  6. Step 6: Final answer
    x = 6,727.49

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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.