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Finding the Fourth Proportional to 4,493.39, 6,735.47 and 1,719.32

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Solution

The fourth proportional to 4,493.39, 6,735.47 and 1,719.32 is: 2,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,493.39 : 6,735.47 = 1,719.32 : x
  2. Step 2: Convert to fraction form
    4,493.39/6,735.47 = 1,719.32/x
  3. Step 3: Cross multiply
    4,493.39x = 6,735.47 × 1,719.32
  4. Step 4: Simplify right side
    4,493.39x = 11,580,386.01
  5. Step 5: Solve for x
    x = 11,580,386.01/4,493.39
  6. Step 6: Final answer
    x = 2,577.20

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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.