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Finding the Fourth Proportional to 11,246.88, 16,866.69 and 3,748.44

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Solution

The fourth proportional to 11,246.88, 16,866.69 and 3,748.44 is: 5,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.88 : 16,866.69 = 3,748.44 : x
  2. Step 2: Convert to fraction form
    11,246.88/16,866.69 = 3,748.44/x
  3. Step 3: Cross multiply
    11,246.88x = 16,866.69 × 3,748.44
  4. Step 4: Simplify right side
    11,246.88x = 63,223,775.46
  5. Step 5: Solve for x
    x = 63,223,775.46/11,246.88
  6. Step 6: Final answer
    x = 5,621.45

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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.