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Finding the Fourth Proportional to 3,673.98, 5,511.88 and 1,076.92

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Solution

The fourth proportional to 3,673.98, 5,511.88 and 1,076.92 is: 1,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.98 : 5,511.88 = 1,076.92 : x
  2. Step 2: Convert to fraction form
    3,673.98/5,511.88 = 1,076.92/x
  3. Step 3: Cross multiply
    3,673.98x = 5,511.88 × 1,076.92
  4. Step 4: Simplify right side
    3,673.98x = 5,935,841.38
  5. Step 5: Solve for x
    x = 5,935,841.38/3,673.98
  6. Step 6: Final answer
    x = 1,615.64

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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.