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Finding the Fourth Proportional to 16,953.66, 25,421.31 and 13,466.07

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Solution

The fourth proportional to 16,953.66, 25,421.31 and 13,466.07 is: 20,191.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,953.66 : 25,421.31 = 13,466.07 : x
  2. Step 2: Convert to fraction form
    16,953.66/25,421.31 = 13,466.07/x
  3. Step 3: Cross multiply
    16,953.66x = 25,421.31 × 13,466.07
  4. Step 4: Simplify right side
    16,953.66x = 342,325,139.95
  5. Step 5: Solve for x
    x = 342,325,139.95/16,953.66
  6. Step 6: Final answer
    x = 20,191.81

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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.