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Finding the Fourth Proportional to 14,992.56, 22,488.72 and 4,048.56

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Solution

The fourth proportional to 14,992.56, 22,488.72 and 4,048.56 is: 6,072.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,992.56 : 22,488.72 = 4,048.56 : x
  2. Step 2: Convert to fraction form
    14,992.56/22,488.72 = 4,048.56/x
  3. Step 3: Cross multiply
    14,992.56x = 22,488.72 × 4,048.56
  4. Step 4: Simplify right side
    14,992.56x = 91,046,932.24
  5. Step 5: Solve for x
    x = 91,046,932.24/14,992.56
  6. Step 6: Final answer
    x = 6,072.81

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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.