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Finding the Fourth Proportional to 17,767.68, 26,646.12 and 7,377

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Solution

The fourth proportional to 17,767.68, 26,646.12 and 7,377 is: 11,063.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,767.68 : 26,646.12 = 7,377 : x
  2. Step 2: Convert to fraction form
    17,767.68/26,646.12 = 7,377/x
  3. Step 3: Cross multiply
    17,767.68x = 26,646.12 × 7,377
  4. Step 4: Simplify right side
    17,767.68x = 196,568,427.24
  5. Step 5: Solve for x
    x = 196,568,427.24/17,767.68
  6. Step 6: Final answer
    x = 11,063.26

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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.