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Finding the Fourth Proportional to 17,905.50, 26,859.69 and 5,593.50

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Solution

The fourth proportional to 17,905.50, 26,859.69 and 5,593.50 is: 8,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.50 : 26,859.69 = 5,593.50 : x
  2. Step 2: Convert to fraction form
    17,905.50/26,859.69 = 5,593.50/x
  3. Step 3: Cross multiply
    17,905.50x = 26,859.69 × 5,593.50
  4. Step 4: Simplify right side
    17,905.50x = 150,239,676.02
  5. Step 5: Solve for x
    x = 150,239,676.02/17,905.50
  6. Step 6: Final answer
    x = 8,390.70

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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.