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Finding the Fourth Proportional to 17,656.88, 26,485.26 and 11,087.67

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Solution

The fourth proportional to 17,656.88, 26,485.26 and 11,087.67 is: 16,631.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,656.88 : 26,485.26 = 11,087.67 : x
  2. Step 2: Convert to fraction form
    17,656.88/26,485.26 = 11,087.67/x
  3. Step 3: Cross multiply
    17,656.88x = 26,485.26 × 11,087.67
  4. Step 4: Simplify right side
    17,656.88x = 293,659,822.74
  5. Step 5: Solve for x
    x = 293,659,822.74/17,656.88
  6. Step 6: Final answer
    x = 16,631.47

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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.