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Finding the Fourth Proportional to 2,652.45, 3,660.35 and 1,533.49

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Solution

The fourth proportional to 2,652.45, 3,660.35 and 1,533.49 is: 2,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.45 : 3,660.35 = 1,533.49 : x
  2. Step 2: Convert to fraction form
    2,652.45/3,660.35 = 1,533.49/x
  3. Step 3: Cross multiply
    2,652.45x = 3,660.35 × 1,533.49
  4. Step 4: Simplify right side
    2,652.45x = 5,613,110.12
  5. Step 5: Solve for x
    x = 5,613,110.12/2,652.45
  6. Step 6: Final answer
    x = 2,116.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.