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Finding the Fourth Proportional to 17,757.64, 26,627.19 and 5,275.95

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Solution

The fourth proportional to 17,757.64, 26,627.19 and 5,275.95 is: 7,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,757.64 : 26,627.19 = 5,275.95 : x
  2. Step 2: Convert to fraction form
    17,757.64/26,627.19 = 5,275.95/x
  3. Step 3: Cross multiply
    17,757.64x = 26,627.19 × 5,275.95
  4. Step 4: Simplify right side
    17,757.64x = 140,483,723.08
  5. Step 5: Solve for x
    x = 140,483,723.08/17,757.64
  6. Step 6: Final answer
    x = 7,911.17

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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.