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Finding the Fourth Proportional to 11,631.88, 17,447.66 and 2,866.88

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Solution

The fourth proportional to 11,631.88, 17,447.66 and 2,866.88 is: 4,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.88 : 17,447.66 = 2,866.88 : x
  2. Step 2: Convert to fraction form
    11,631.88/17,447.66 = 2,866.88/x
  3. Step 3: Cross multiply
    11,631.88x = 17,447.66 × 2,866.88
  4. Step 4: Simplify right side
    11,631.88x = 50,020,347.50
  5. Step 5: Solve for x
    x = 50,020,347.50/11,631.88
  6. Step 6: Final answer
    x = 4,300.28

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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.