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Finding the Fourth Proportional to 11,898.74, 17,848.26 and 3,133.73

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Solution

The fourth proportional to 11,898.74, 17,848.26 and 3,133.73 is: 4,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.74 : 17,848.26 = 3,133.73 : x
  2. Step 2: Convert to fraction form
    11,898.74/17,848.26 = 3,133.73/x
  3. Step 3: Cross multiply
    11,898.74x = 17,848.26 × 3,133.73
  4. Step 4: Simplify right side
    11,898.74x = 55,931,538.57
  5. Step 5: Solve for x
    x = 55,931,538.57/11,898.74
  6. Step 6: Final answer
    x = 4,700.63

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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.