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Finding the Fourth Proportional to 51,745.50, 77,636.98 and 25,468.70

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Solution

The fourth proportional to 51,745.50, 77,636.98 and 25,468.70 is: 38,212.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,745.50 : 77,636.98 = 25,468.70 : x
  2. Step 2: Convert to fraction form
    51,745.50/77,636.98 = 25,468.70/x
  3. Step 3: Cross multiply
    51,745.50x = 77,636.98 × 25,468.70
  4. Step 4: Simplify right side
    51,745.50x = 1,977,312,596.18
  5. Step 5: Solve for x
    x = 1,977,312,596.18/51,745.50
  6. Step 6: Final answer
    x = 38,212.26

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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.