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Finding the Fourth Proportional to 53,935.30, 80,892.51 and 16,486.30

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Solution

The fourth proportional to 53,935.30, 80,892.51 and 16,486.30 is: 24,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,935.30 : 80,892.51 = 16,486.30 : x
  2. Step 2: Convert to fraction form
    53,935.30/80,892.51 = 16,486.30/x
  3. Step 3: Cross multiply
    53,935.30x = 80,892.51 × 16,486.30
  4. Step 4: Simplify right side
    53,935.30x = 1,333,618,187.61
  5. Step 5: Solve for x
    x = 1,333,618,187.61/53,935.30
  6. Step 6: Final answer
    x = 24,726.26

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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.