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Finding the Fourth Proportional to 14,973.54, 22,460.24 and 3,879.28

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Solution

The fourth proportional to 14,973.54, 22,460.24 and 3,879.28 is: 5,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,973.54 : 22,460.24 = 3,879.28 : x
  2. Step 2: Convert to fraction form
    14,973.54/22,460.24 = 3,879.28/x
  3. Step 3: Cross multiply
    14,973.54x = 22,460.24 × 3,879.28
  4. Step 4: Simplify right side
    14,973.54x = 87,129,559.83
  5. Step 5: Solve for x
    x = 87,129,559.83/14,973.54
  6. Step 6: Final answer
    x = 5,818.90

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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.