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Finding the Fourth Proportional to 11,600.55, 17,402.97 and 5,275.88

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Solution

The fourth proportional to 11,600.55, 17,402.97 and 5,275.88 is: 7,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,600.55 : 17,402.97 = 5,275.88 : x
  2. Step 2: Convert to fraction form
    11,600.55/17,402.97 = 5,275.88/x
  3. Step 3: Cross multiply
    11,600.55x = 17,402.97 × 5,275.88
  4. Step 4: Simplify right side
    11,600.55x = 91,815,894.35
  5. Step 5: Solve for x
    x = 91,815,894.35/11,600.55
  6. Step 6: Final answer
    x = 7,914.79

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1.5x scale

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.