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Finding the Fourth Proportional to 11,063.50, 16,595.28 and 2,855.50

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Solution

The fourth proportional to 11,063.50, 16,595.28 and 2,855.50 is: 4,283.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,063.50 : 16,595.28 = 2,855.50 : x
  2. Step 2: Convert to fraction form
    11,063.50/16,595.28 = 2,855.50/x
  3. Step 3: Cross multiply
    11,063.50x = 16,595.28 × 2,855.50
  4. Step 4: Simplify right side
    11,063.50x = 47,387,822.04
  5. Step 5: Solve for x
    x = 47,387,822.04/11,063.50
  6. Step 6: Final answer
    x = 4,283.26

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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.