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Finding the Fourth Proportional to 17,767.44, 26,657.28 and 7,913.52

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Solution

The fourth proportional to 17,767.44, 26,657.28 and 7,913.52 is: 11,873.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,767.44 : 26,657.28 = 7,913.52 : x
  2. Step 2: Convert to fraction form
    17,767.44/26,657.28 = 7,913.52/x
  3. Step 3: Cross multiply
    17,767.44x = 26,657.28 × 7,913.52
  4. Step 4: Simplify right side
    17,767.44x = 210,952,918.43
  5. Step 5: Solve for x
    x = 210,952,918.43/17,767.44
  6. Step 6: Final answer
    x = 11,873.01

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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.