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Finding the Fourth Proportional to 17,805.68, 26,714.70 and 6,715.56

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Solution

The fourth proportional to 17,805.68, 26,714.70 and 6,715.56 is: 10,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,805.68 : 26,714.70 = 6,715.56 : x
  2. Step 2: Convert to fraction form
    17,805.68/26,714.70 = 6,715.56/x
  3. Step 3: Cross multiply
    17,805.68x = 26,714.70 × 6,715.56
  4. Step 4: Simplify right side
    17,805.68x = 179,404,170.73
  5. Step 5: Solve for x
    x = 179,404,170.73/17,805.68
  6. Step 6: Final answer
    x = 10,075.67

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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.