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Finding the Fourth Proportional to 2,775.36, 4,162.13 and 925.98

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Solution

The fourth proportional to 2,775.36, 4,162.13 and 925.98 is: 1,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.36 : 4,162.13 = 925.98 : x
  2. Step 2: Convert to fraction form
    2,775.36/4,162.13 = 925.98/x
  3. Step 3: Cross multiply
    2,775.36x = 4,162.13 × 925.98
  4. Step 4: Simplify right side
    2,775.36x = 3,854,060.99
  5. Step 5: Solve for x
    x = 3,854,060.99/2,775.36
  6. Step 6: Final answer
    x = 1,388.67

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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.