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Finding the Fourth Proportional to 11,873.52, 17,816.22 and 7,926.93

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Solution

The fourth proportional to 11,873.52, 17,816.22 and 7,926.93 is: 11,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.52 : 17,816.22 = 7,926.93 : x
  2. Step 2: Convert to fraction form
    11,873.52/17,816.22 = 7,926.93/x
  3. Step 3: Cross multiply
    11,873.52x = 17,816.22 × 7,926.93
  4. Step 4: Simplify right side
    11,873.52x = 141,227,928.80
  5. Step 5: Solve for x
    x = 141,227,928.80/11,873.52
  6. Step 6: Final answer
    x = 11,894.36

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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.