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Finding the Fourth Proportional to 55,874, 83,816.04 and 14,321.36

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Solution

The fourth proportional to 55,874, 83,816.04 and 14,321.36 is: 21,483.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,874 : 83,816.04 = 14,321.36 : x
  2. Step 2: Convert to fraction form
    55,874/83,816.04 = 14,321.36/x
  3. Step 3: Cross multiply
    55,874x = 83,816.04 × 14,321.36
  4. Step 4: Simplify right side
    55,874x = 1,200,359,682.61
  5. Step 5: Solve for x
    x = 1,200,359,682.61/55,874
  6. Step 6: Final answer
    x = 21,483.33

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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.