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Finding the Fourth Proportional to 6,103.60, 9,166.20 and 4,720.30

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Solution

The fourth proportional to 6,103.60, 9,166.20 and 4,720.30 is: 7,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.60 : 9,166.20 = 4,720.30 : x
  2. Step 2: Convert to fraction form
    6,103.60/9,166.20 = 4,720.30/x
  3. Step 3: Cross multiply
    6,103.60x = 9,166.20 × 4,720.30
  4. Step 4: Simplify right side
    6,103.60x = 43,267,213.86
  5. Step 5: Solve for x
    x = 43,267,213.86/6,103.60
  6. Step 6: Final answer
    x = 7,088.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.