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Finding the Fourth Proportional to 11,966.98, 17,950.48 and 5,725.52

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Solution

The fourth proportional to 11,966.98, 17,950.48 and 5,725.52 is: 8,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.98 : 17,950.48 = 5,725.52 : x
  2. Step 2: Convert to fraction form
    11,966.98/17,950.48 = 5,725.52/x
  3. Step 3: Cross multiply
    11,966.98x = 17,950.48 × 5,725.52
  4. Step 4: Simplify right side
    11,966.98x = 102,775,832.25
  5. Step 5: Solve for x
    x = 102,775,832.25/11,966.98
  6. Step 6: Final answer
    x = 8,588.28

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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.