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Finding the Fourth Proportional to 3,533.64, 5,300.46 and 1,454.78

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Solution

The fourth proportional to 3,533.64, 5,300.46 and 1,454.78 is: 2,182.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.64 : 5,300.46 = 1,454.78 : x
  2. Step 2: Convert to fraction form
    3,533.64/5,300.46 = 1,454.78/x
  3. Step 3: Cross multiply
    3,533.64x = 5,300.46 × 1,454.78
  4. Step 4: Simplify right side
    3,533.64x = 7,711,003.20
  5. Step 5: Solve for x
    x = 7,711,003.20/3,533.64
  6. Step 6: Final answer
    x = 2,182.17

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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.