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Finding the Fourth Proportional to 12,124.58, 18,173.39 and 5,102.52

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Solution

The fourth proportional to 12,124.58, 18,173.39 and 5,102.52 is: 7,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.58 : 18,173.39 = 5,102.52 : x
  2. Step 2: Convert to fraction form
    12,124.58/18,173.39 = 5,102.52/x
  3. Step 3: Cross multiply
    12,124.58x = 18,173.39 × 5,102.52
  4. Step 4: Simplify right side
    12,124.58x = 92,730,060.43
  5. Step 5: Solve for x
    x = 92,730,060.43/12,124.58
  6. Step 6: Final answer
    x = 7,648.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.