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Finding the Fourth Proportional to 12,537.66, 18,808.38 and 3,771.66

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Solution

The fourth proportional to 12,537.66, 18,808.38 and 3,771.66 is: 5,658.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.66 : 18,808.38 = 3,771.66 : x
  2. Step 2: Convert to fraction form
    12,537.66/18,808.38 = 3,771.66/x
  3. Step 3: Cross multiply
    12,537.66x = 18,808.38 × 3,771.66
  4. Step 4: Simplify right side
    12,537.66x = 70,938,814.51
  5. Step 5: Solve for x
    x = 70,938,814.51/12,537.66
  6. Step 6: Final answer
    x = 5,658.06

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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.