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Finding the Fourth Proportional to 20,064.52, 27,702.57 and 12,522.34

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Solution

The fourth proportional to 20,064.52, 27,702.57 and 12,522.34 is: 17,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.52 : 27,702.57 = 12,522.34 : x
  2. Step 2: Convert to fraction form
    20,064.52/27,702.57 = 12,522.34/x
  3. Step 3: Cross multiply
    20,064.52x = 27,702.57 × 12,522.34
  4. Step 4: Simplify right side
    20,064.52x = 346,901,000.41
  5. Step 5: Solve for x
    x = 346,901,000.41/20,064.52
  6. Step 6: Final answer
    x = 17,289.27

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