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Finding the Fourth Proportional to 3,533.52, 5,299.68 and 936.24

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Solution

The fourth proportional to 3,533.52, 5,299.68 and 936.24 is: 1,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.52 : 5,299.68 = 936.24 : x
  2. Step 2: Convert to fraction form
    3,533.52/5,299.68 = 936.24/x
  3. Step 3: Cross multiply
    3,533.52x = 5,299.68 × 936.24
  4. Step 4: Simplify right side
    3,533.52x = 4,961,772.40
  5. Step 5: Solve for x
    x = 4,961,772.40/3,533.52
  6. Step 6: Final answer
    x = 1,404.20

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1.5x scale

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.