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Finding the Fourth Proportional to 25,150.03, 37,730.88 and 7,379.98

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Solution

The fourth proportional to 25,150.03, 37,730.88 and 7,379.98 is: 11,071.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,150.03 : 37,730.88 = 7,379.98 : x
  2. Step 2: Convert to fraction form
    25,150.03/37,730.88 = 7,379.98/x
  3. Step 3: Cross multiply
    25,150.03x = 37,730.88 × 7,379.98
  4. Step 4: Simplify right side
    25,150.03x = 278,453,139.78
  5. Step 5: Solve for x
    x = 278,453,139.78/25,150.03
  6. Step 6: Final answer
    x = 11,071.68

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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.