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Finding the Fourth Proportional to 51,563.79, 77,339.88 and 16,495.11

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Solution

The fourth proportional to 51,563.79, 77,339.88 and 16,495.11 is: 24,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,563.79 : 77,339.88 = 16,495.11 : x
  2. Step 2: Convert to fraction form
    51,563.79/77,339.88 = 16,495.11/x
  3. Step 3: Cross multiply
    51,563.79x = 77,339.88 × 16,495.11
  4. Step 4: Simplify right side
    51,563.79x = 1,275,729,827.99
  5. Step 5: Solve for x
    x = 1,275,729,827.99/51,563.79
  6. Step 6: Final answer
    x = 24,740.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.