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Finding the Fourth Proportional to 34,632.50, 51,935.99 and 12,439.91

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Solution

The fourth proportional to 34,632.50, 51,935.99 and 12,439.91 is: 18,655.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,632.50 : 51,935.99 = 12,439.91 : x
  2. Step 2: Convert to fraction form
    34,632.50/51,935.99 = 12,439.91/x
  3. Step 3: Cross multiply
    34,632.50x = 51,935.99 × 12,439.91
  4. Step 4: Simplify right side
    34,632.50x = 646,079,109.00
  5. Step 5: Solve for x
    x = 646,079,109.00/34,632.50
  6. Step 6: Final answer
    x = 18,655.29

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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.