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Finding the Fourth Proportional to 11,384.76, 17,080.02 and 3,176.76

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Solution

The fourth proportional to 11,384.76, 17,080.02 and 3,176.76 is: 4,765.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,384.76 : 17,080.02 = 3,176.76 : x
  2. Step 2: Convert to fraction form
    11,384.76/17,080.02 = 3,176.76/x
  3. Step 3: Cross multiply
    11,384.76x = 17,080.02 × 3,176.76
  4. Step 4: Simplify right side
    11,384.76x = 54,259,124.34
  5. Step 5: Solve for x
    x = 54,259,124.34/11,384.76
  6. Step 6: Final answer
    x = 4,765.94

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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.