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Finding the Fourth Proportional to 9,084.60, 13,635.54 and 4,705.20

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Solution

The fourth proportional to 9,084.60, 13,635.54 and 4,705.20 is: 7,062.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,084.60 : 13,635.54 = 4,705.20 : x
  2. Step 2: Convert to fraction form
    9,084.60/13,635.54 = 4,705.20/x
  3. Step 3: Cross multiply
    9,084.60x = 13,635.54 × 4,705.20
  4. Step 4: Simplify right side
    9,084.60x = 64,157,942.81
  5. Step 5: Solve for x
    x = 64,157,942.81/9,084.60
  6. Step 6: Final answer
    x = 7,062.27

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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.