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Finding the Fourth Proportional to 5,489.90, 7,566.27 and 4,293.26

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Solution

The fourth proportional to 5,489.90, 7,566.27 and 4,293.26 is: 5,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.90 : 7,566.27 = 4,293.26 : x
  2. Step 2: Convert to fraction form
    5,489.90/7,566.27 = 4,293.26/x
  3. Step 3: Cross multiply
    5,489.90x = 7,566.27 × 4,293.26
  4. Step 4: Simplify right side
    5,489.90x = 32,483,964.34
  5. Step 5: Solve for x
    x = 32,483,964.34/5,489.90
  6. Step 6: Final answer
    x = 5,917.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.