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Finding the Fourth Proportional to 6,363.60, 9,534.96 and 6,120.60

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Solution

The fourth proportional to 6,363.60, 9,534.96 and 6,120.60 is: 9,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.60 : 9,534.96 = 6,120.60 : x
  2. Step 2: Convert to fraction form
    6,363.60/9,534.96 = 6,120.60/x
  3. Step 3: Cross multiply
    6,363.60x = 9,534.96 × 6,120.60
  4. Step 4: Simplify right side
    6,363.60x = 58,359,676.18
  5. Step 5: Solve for x
    x = 58,359,676.18/6,363.60
  6. Step 6: Final answer
    x = 9,170.86

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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.