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Finding the Fourth Proportional to 4,329.62, 6,490.79 and 1,731.14

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Solution

The fourth proportional to 4,329.62, 6,490.79 and 1,731.14 is: 2,595.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.62 : 6,490.79 = 1,731.14 : x
  2. Step 2: Convert to fraction form
    4,329.62/6,490.79 = 1,731.14/x
  3. Step 3: Cross multiply
    4,329.62x = 6,490.79 × 1,731.14
  4. Step 4: Simplify right side
    4,329.62x = 11,236,457.54
  5. Step 5: Solve for x
    x = 11,236,457.54/4,329.62
  6. Step 6: Final answer
    x = 2,595.25

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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.