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Finding the Fourth Proportional to 8,094.40, 11,170.92 and 4,557.40

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Solution

The fourth proportional to 8,094.40, 11,170.92 and 4,557.40 is: 6,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,094.40 : 11,170.92 = 4,557.40 : x
  2. Step 2: Convert to fraction form
    8,094.40/11,170.92 = 4,557.40/x
  3. Step 3: Cross multiply
    8,094.40x = 11,170.92 × 4,557.40
  4. Step 4: Simplify right side
    8,094.40x = 50,910,350.81
  5. Step 5: Solve for x
    x = 50,910,350.81/8,094.40
  6. Step 6: Final answer
    x = 6,289.58

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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.