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Finding the Fourth Proportional to 53,866.08, 80,812.08 and 16,930.08

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Solution

The fourth proportional to 53,866.08, 80,812.08 and 16,930.08 is: 25,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,866.08 : 80,812.08 = 16,930.08 : x
  2. Step 2: Convert to fraction form
    53,866.08/80,812.08 = 16,930.08/x
  3. Step 3: Cross multiply
    53,866.08x = 80,812.08 × 16,930.08
  4. Step 4: Simplify right side
    53,866.08x = 1,368,154,979.37
  5. Step 5: Solve for x
    x = 1,368,154,979.37/53,866.08
  6. Step 6: Final answer
    x = 25,399.19

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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.