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Finding the Fourth Proportional to 51,004.50, 76,511.07 and 14,068.50

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Solution

The fourth proportional to 51,004.50, 76,511.07 and 14,068.50 is: 21,103.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,004.50 : 76,511.07 = 14,068.50 : x
  2. Step 2: Convert to fraction form
    51,004.50/76,511.07 = 14,068.50/x
  3. Step 3: Cross multiply
    51,004.50x = 76,511.07 × 14,068.50
  4. Step 4: Simplify right side
    51,004.50x = 1,076,395,988.30
  5. Step 5: Solve for x
    x = 1,076,395,988.30/51,004.50
  6. Step 6: Final answer
    x = 21,103.94

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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.