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Finding the Fourth Proportional to 7,336.10, 11,000.10 and 3,175.40

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Solution

The fourth proportional to 7,336.10, 11,000.10 and 3,175.40 is: 4,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.10 : 11,000.10 = 3,175.40 : x
  2. Step 2: Convert to fraction form
    7,336.10/11,000.10 = 3,175.40/x
  3. Step 3: Cross multiply
    7,336.10x = 11,000.10 × 3,175.40
  4. Step 4: Simplify right side
    7,336.10x = 34,929,717.54
  5. Step 5: Solve for x
    x = 34,929,717.54/7,336.10
  6. Step 6: Final answer
    x = 4,761.35

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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.