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Finding the Fourth Proportional to 11,262.79, 16,898.91 and 5,018.50

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Solution

The fourth proportional to 11,262.79, 16,898.91 and 5,018.50 is: 7,529.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.79 : 16,898.91 = 5,018.50 : x
  2. Step 2: Convert to fraction form
    11,262.79/16,898.91 = 5,018.50/x
  3. Step 3: Cross multiply
    11,262.79x = 16,898.91 × 5,018.50
  4. Step 4: Simplify right side
    11,262.79x = 84,807,179.84
  5. Step 5: Solve for x
    x = 84,807,179.84/11,262.79
  6. Step 6: Final answer
    x = 7,529.86

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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.