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Finding the Fourth Proportional to 12,842.91, 17,702.01 and 8,592.44

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Solution

The fourth proportional to 12,842.91, 17,702.01 and 8,592.44 is: 11,843.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842.91 : 17,702.01 = 8,592.44 : x
  2. Step 2: Convert to fraction form
    12,842.91/17,702.01 = 8,592.44/x
  3. Step 3: Cross multiply
    12,842.91x = 17,702.01 × 8,592.44
  4. Step 4: Simplify right side
    12,842.91x = 152,103,370.29
  5. Step 5: Solve for x
    x = 152,103,370.29/12,842.91
  6. Step 6: Final answer
    x = 11,843.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.