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Finding the Fourth Proportional to 11,176.46, 16,764.68 and 7,305.47

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Solution

The fourth proportional to 11,176.46, 16,764.68 and 7,305.47 is: 10,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.46 : 16,764.68 = 7,305.47 : x
  2. Step 2: Convert to fraction form
    11,176.46/16,764.68 = 7,305.47/x
  3. Step 3: Cross multiply
    11,176.46x = 16,764.68 × 7,305.47
  4. Step 4: Simplify right side
    11,176.46x = 122,473,801.24
  5. Step 5: Solve for x
    x = 122,473,801.24/11,176.46
  6. Step 6: Final answer
    x = 10,958.20

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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.