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Finding the Fourth Proportional to 35,661.52, 53,460.48 and 16,930

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Solution

The fourth proportional to 35,661.52, 53,460.48 and 16,930 is: 25,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,661.52 : 53,460.48 = 16,930 : x
  2. Step 2: Convert to fraction form
    35,661.52/53,460.48 = 16,930/x
  3. Step 3: Cross multiply
    35,661.52x = 53,460.48 × 16,930
  4. Step 4: Simplify right side
    35,661.52x = 905,085,926.40
  5. Step 5: Solve for x
    x = 905,085,926.40/35,661.52
  6. Step 6: Final answer
    x = 25,379.90

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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.