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Finding the Fourth Proportional to 11,951.99, 17,905.50 and 7,006.94

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Solution

The fourth proportional to 11,951.99, 17,905.50 and 7,006.94 is: 10,497.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.99 : 17,905.50 = 7,006.94 : x
  2. Step 2: Convert to fraction form
    11,951.99/17,905.50 = 7,006.94/x
  3. Step 3: Cross multiply
    11,951.99x = 17,905.50 × 7,006.94
  4. Step 4: Simplify right side
    11,951.99x = 125,462,674.64
  5. Step 5: Solve for x
    x = 125,462,674.64/11,951.99
  6. Step 6: Final answer
    x = 10,497.22

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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.