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Finding the Fourth Proportional to 3,705.52, 5,533.60 and 3,489.52

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Solution

The fourth proportional to 3,705.52, 5,533.60 and 3,489.52 is: 5,211.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.52 : 5,533.60 = 3,489.52 : x
  2. Step 2: Convert to fraction form
    3,705.52/5,533.60 = 3,489.52/x
  3. Step 3: Cross multiply
    3,705.52x = 5,533.60 × 3,489.52
  4. Step 4: Simplify right side
    3,705.52x = 19,309,607.87
  5. Step 5: Solve for x
    x = 19,309,607.87/3,705.52
  6. Step 6: Final answer
    x = 5,211.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.