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Finding the Fourth Proportional to 11,855.88, 17,784.48 and 5,282.52

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Solution

The fourth proportional to 11,855.88, 17,784.48 and 5,282.52 is: 7,924.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.88 : 17,784.48 = 5,282.52 : x
  2. Step 2: Convert to fraction form
    11,855.88/17,784.48 = 5,282.52/x
  3. Step 3: Cross multiply
    11,855.88x = 17,784.48 × 5,282.52
  4. Step 4: Simplify right side
    11,855.88x = 93,946,871.29
  5. Step 5: Solve for x
    x = 93,946,871.29/11,855.88
  6. Step 6: Final answer
    x = 7,924.07

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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.