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Finding the Fourth Proportional to 10,687.82, 16,037.19 and 4,843.67

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Solution

The fourth proportional to 10,687.82, 16,037.19 and 4,843.67 is: 7,267.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.82 : 16,037.19 = 4,843.67 : x
  2. Step 2: Convert to fraction form
    10,687.82/16,037.19 = 4,843.67/x
  3. Step 3: Cross multiply
    10,687.82x = 16,037.19 × 4,843.67
  4. Step 4: Simplify right side
    10,687.82x = 77,678,775.90
  5. Step 5: Solve for x
    x = 77,678,775.90/10,687.82
  6. Step 6: Final answer
    x = 7,267.98

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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.