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Finding the Fourth Proportional to 14,879.52, 22,318.74 and 4,491

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Solution

The fourth proportional to 14,879.52, 22,318.74 and 4,491 is: 6,736.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,879.52 : 22,318.74 = 4,491 : x
  2. Step 2: Convert to fraction form
    14,879.52/22,318.74 = 4,491/x
  3. Step 3: Cross multiply
    14,879.52x = 22,318.74 × 4,491
  4. Step 4: Simplify right side
    14,879.52x = 100,233,461.34
  5. Step 5: Solve for x
    x = 100,233,461.34/14,879.52
  6. Step 6: Final answer
    x = 6,736.34

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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.