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Finding the Fourth Proportional to 14,508.18, 21,764.97 and 4,649.94

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Solution

The fourth proportional to 14,508.18, 21,764.97 and 4,649.94 is: 6,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508.18 : 21,764.97 = 4,649.94 : x
  2. Step 2: Convert to fraction form
    14,508.18/21,764.97 = 4,649.94/x
  3. Step 3: Cross multiply
    14,508.18x = 21,764.97 × 4,649.94
  4. Step 4: Simplify right side
    14,508.18x = 101,205,804.60
  5. Step 5: Solve for x
    x = 101,205,804.60/14,508.18
  6. Step 6: Final answer
    x = 6,975.78

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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.