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Finding the Fourth Proportional to 17,702.52, 26,557.74 and 8,342.64

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Solution

The fourth proportional to 17,702.52, 26,557.74 and 8,342.64 is: 12,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,702.52 : 26,557.74 = 8,342.64 : x
  2. Step 2: Convert to fraction form
    17,702.52/26,557.74 = 8,342.64/x
  3. Step 3: Cross multiply
    17,702.52x = 26,557.74 × 8,342.64
  4. Step 4: Simplify right side
    17,702.52x = 221,561,664.03
  5. Step 5: Solve for x
    x = 221,561,664.03/17,702.52
  6. Step 6: Final answer
    x = 12,515.83

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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.