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Finding the Fourth Proportional to 53,793, 80,701.95 and 18,252.42

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Solution

The fourth proportional to 53,793, 80,701.95 and 18,252.42 is: 27,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,793 : 80,701.95 = 18,252.42 : x
  2. Step 2: Convert to fraction form
    53,793/80,701.95 = 18,252.42/x
  3. Step 3: Cross multiply
    53,793x = 80,701.95 × 18,252.42
  4. Step 4: Simplify right side
    53,793x = 1,473,005,886.22
  5. Step 5: Solve for x
    x = 1,473,005,886.22/53,793
  6. Step 6: Final answer
    x = 27,382.85

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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.