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Finding the Fourth Proportional to 12,364.92, 17,063.64 and 6,699.65

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Solution

The fourth proportional to 12,364.92, 17,063.64 and 6,699.65 is: 9,245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364.92 : 17,063.64 = 6,699.65 : x
  2. Step 2: Convert to fraction form
    12,364.92/17,063.64 = 6,699.65/x
  3. Step 3: Cross multiply
    12,364.92x = 17,063.64 × 6,699.65
  4. Step 4: Simplify right side
    12,364.92x = 114,320,330.41
  5. Step 5: Solve for x
    x = 114,320,330.41/12,364.92
  6. Step 6: Final answer
    x = 9,245.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.