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Finding the Fourth Proportional to 3,520.52, 5,280.01 and 1,054.67

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Solution

The fourth proportional to 3,520.52, 5,280.01 and 1,054.67 is: 1,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.52 : 5,280.01 = 1,054.67 : x
  2. Step 2: Convert to fraction form
    3,520.52/5,280.01 = 1,054.67/x
  3. Step 3: Cross multiply
    3,520.52x = 5,280.01 × 1,054.67
  4. Step 4: Simplify right side
    3,520.52x = 5,568,678.71
  5. Step 5: Solve for x
    x = 5,568,678.71/3,520.52
  6. Step 6: Final answer
    x = 1,581.78

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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.