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Finding the Fourth Proportional to 8,693.91, 13,042.08 and 2,849.09

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Solution

The fourth proportional to 8,693.91, 13,042.08 and 2,849.09 is: 4,274.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.91 : 13,042.08 = 2,849.09 : x
  2. Step 2: Convert to fraction form
    8,693.91/13,042.08 = 2,849.09/x
  3. Step 3: Cross multiply
    8,693.91x = 13,042.08 × 2,849.09
  4. Step 4: Simplify right side
    8,693.91x = 37,157,994.50
  5. Step 5: Solve for x
    x = 37,157,994.50/8,693.91
  6. Step 6: Final answer
    x = 4,274.03

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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.