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Finding the Fourth Proportional to 1,602.64, 2,404.50 and 1,591.84

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Solution

The fourth proportional to 1,602.64, 2,404.50 and 1,591.84 is: 2,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602.64 : 2,404.50 = 1,591.84 : x
  2. Step 2: Convert to fraction form
    1,602.64/2,404.50 = 1,591.84/x
  3. Step 3: Cross multiply
    1,602.64x = 2,404.50 × 1,591.84
  4. Step 4: Simplify right side
    1,602.64x = 3,827,579.28
  5. Step 5: Solve for x
    x = 3,827,579.28/1,602.64
  6. Step 6: Final answer
    x = 2,388.30

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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.