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Finding the Fourth Proportional to 3,568.60, 5,353.04 and 971.54

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Solution

The fourth proportional to 3,568.60, 5,353.04 and 971.54 is: 1,457.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.60 : 5,353.04 = 971.54 : x
  2. Step 2: Convert to fraction form
    3,568.60/5,353.04 = 971.54/x
  3. Step 3: Cross multiply
    3,568.60x = 5,353.04 × 971.54
  4. Step 4: Simplify right side
    3,568.60x = 5,200,668.15
  5. Step 5: Solve for x
    x = 5,200,668.15/3,568.60
  6. Step 6: Final answer
    x = 1,457.34

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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.