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Finding the Fourth Proportional to 17,592.81, 26,390.94 and 5,112.94

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Solution

The fourth proportional to 17,592.81, 26,390.94 and 5,112.94 is: 7,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,592.81 : 26,390.94 = 5,112.94 : x
  2. Step 2: Convert to fraction form
    17,592.81/26,390.94 = 5,112.94/x
  3. Step 3: Cross multiply
    17,592.81x = 26,390.94 × 5,112.94
  4. Step 4: Simplify right side
    17,592.81x = 134,935,285.86
  5. Step 5: Solve for x
    x = 134,935,285.86/17,592.81
  6. Step 6: Final answer
    x = 7,669.91

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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.