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Finding the Fourth Proportional to 17,375.64, 26,068.14 and 6,279

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Solution

The fourth proportional to 17,375.64, 26,068.14 and 6,279 is: 9,420.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,375.64 : 26,068.14 = 6,279 : x
  2. Step 2: Convert to fraction form
    17,375.64/26,068.14 = 6,279/x
  3. Step 3: Cross multiply
    17,375.64x = 26,068.14 × 6,279
  4. Step 4: Simplify right side
    17,375.64x = 163,681,851.06
  5. Step 5: Solve for x
    x = 163,681,851.06/17,375.64
  6. Step 6: Final answer
    x = 9,420.19

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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.