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Finding the Fourth Proportional to 17,873.42, 26,810.20 and 7,477.88

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Solution

The fourth proportional to 17,873.42, 26,810.20 and 7,477.88 is: 11,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,873.42 : 26,810.20 = 7,477.88 : x
  2. Step 2: Convert to fraction form
    17,873.42/26,810.20 = 7,477.88/x
  3. Step 3: Cross multiply
    17,873.42x = 26,810.20 × 7,477.88
  4. Step 4: Simplify right side
    17,873.42x = 200,483,458.38
  5. Step 5: Solve for x
    x = 200,483,458.38/17,873.42
  6. Step 6: Final answer
    x = 11,216.85

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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.