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Finding the Fourth Proportional to 17,655.87, 26,483.76 and 11,086.67

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Solution

The fourth proportional to 17,655.87, 26,483.76 and 11,086.67 is: 16,629.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,655.87 : 26,483.76 = 11,086.67 : x
  2. Step 2: Convert to fraction form
    17,655.87/26,483.76 = 11,086.67/x
  3. Step 3: Cross multiply
    17,655.87x = 26,483.76 × 11,086.67
  4. Step 4: Simplify right side
    17,655.87x = 293,616,575.06
  5. Step 5: Solve for x
    x = 293,616,575.06/17,655.87
  6. Step 6: Final answer
    x = 16,629.97

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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.