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Finding the Fourth Proportional to 3,684.48, 5,528.64 and 1,632

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Solution

The fourth proportional to 3,684.48, 5,528.64 and 1,632 is: 2,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.48 : 5,528.64 = 1,632 : x
  2. Step 2: Convert to fraction form
    3,684.48/5,528.64 = 1,632/x
  3. Step 3: Cross multiply
    3,684.48x = 5,528.64 × 1,632
  4. Step 4: Simplify right side
    3,684.48x = 9,022,740.48
  5. Step 5: Solve for x
    x = 9,022,740.48/3,684.48
  6. Step 6: Final answer
    x = 2,448.85

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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.