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Finding the Fourth Proportional to 3,559.64, 5,340.08 and 1,714.08

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Solution

The fourth proportional to 3,559.64, 5,340.08 and 1,714.08 is: 2,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.64 : 5,340.08 = 1,714.08 : x
  2. Step 2: Convert to fraction form
    3,559.64/5,340.08 = 1,714.08/x
  3. Step 3: Cross multiply
    3,559.64x = 5,340.08 × 1,714.08
  4. Step 4: Simplify right side
    3,559.64x = 9,153,324.33
  5. Step 5: Solve for x
    x = 9,153,324.33/3,559.64
  6. Step 6: Final answer
    x = 2,571.42

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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.