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Finding the Fourth Proportional to 17,688.68, 26,544 and 10,296.44

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Solution

The fourth proportional to 17,688.68, 26,544 and 10,296.44 is: 15,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.68 : 26,544 = 10,296.44 : x
  2. Step 2: Convert to fraction form
    17,688.68/26,544 = 10,296.44/x
  3. Step 3: Cross multiply
    17,688.68x = 26,544 × 10,296.44
  4. Step 4: Simplify right side
    17,688.68x = 273,308,703.36
  5. Step 5: Solve for x
    x = 273,308,703.36/17,688.68
  6. Step 6: Final answer
    x = 15,451.05

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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.