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Finding the Fourth Proportional to 5,749.08, 8,611.08 and 5,609.64

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Solution

The fourth proportional to 5,749.08, 8,611.08 and 5,609.64 is: 8,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.08 : 8,611.08 = 5,609.64 : x
  2. Step 2: Convert to fraction form
    5,749.08/8,611.08 = 5,609.64/x
  3. Step 3: Cross multiply
    5,749.08x = 8,611.08 × 5,609.64
  4. Step 4: Simplify right side
    5,749.08x = 48,305,058.81
  5. Step 5: Solve for x
    x = 48,305,058.81/5,749.08
  6. Step 6: Final answer
    x = 8,402.22

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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.