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Finding the Fourth Proportional to 3,580.64, 4,941.24 and 2,008.64

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Solution

The fourth proportional to 3,580.64, 4,941.24 and 2,008.64 is: 2,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.64 : 4,941.24 = 2,008.64 : x
  2. Step 2: Convert to fraction form
    3,580.64/4,941.24 = 2,008.64/x
  3. Step 3: Cross multiply
    3,580.64x = 4,941.24 × 2,008.64
  4. Step 4: Simplify right side
    3,580.64x = 9,925,172.31
  5. Step 5: Solve for x
    x = 9,925,172.31/3,580.64
  6. Step 6: Final answer
    x = 2,771.90

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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.