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Finding the Fourth Proportional to 11,308.90, 16,957.96 and 5,068.97

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Solution

The fourth proportional to 11,308.90, 16,957.96 and 5,068.97 is: 7,601.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.90 : 16,957.96 = 5,068.97 : x
  2. Step 2: Convert to fraction form
    11,308.90/16,957.96 = 5,068.97/x
  3. Step 3: Cross multiply
    11,308.90x = 16,957.96 × 5,068.97
  4. Step 4: Simplify right side
    11,308.90x = 85,959,390.50
  5. Step 5: Solve for x
    x = 85,959,390.50/11,308.90
  6. Step 6: Final answer
    x = 7,601.04

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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.