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Finding the Fourth Proportional to 12,633.62, 18,944.93 and 6,709.21

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Solution

The fourth proportional to 12,633.62, 18,944.93 and 6,709.21 is: 10,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.62 : 18,944.93 = 6,709.21 : x
  2. Step 2: Convert to fraction form
    12,633.62/18,944.93 = 6,709.21/x
  3. Step 3: Cross multiply
    12,633.62x = 18,944.93 × 6,709.21
  4. Step 4: Simplify right side
    12,633.62x = 127,105,483.22
  5. Step 5: Solve for x
    x = 127,105,483.22/12,633.62
  6. Step 6: Final answer
    x = 10,060.90

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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.