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Finding the Fourth Proportional to 3,063.30, 4,592.31 and 1,419

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Solution

The fourth proportional to 3,063.30, 4,592.31 and 1,419 is: 2,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063.30 : 4,592.31 = 1,419 : x
  2. Step 2: Convert to fraction form
    3,063.30/4,592.31 = 1,419/x
  3. Step 3: Cross multiply
    3,063.30x = 4,592.31 × 1,419
  4. Step 4: Simplify right side
    3,063.30x = 6,516,487.89
  5. Step 5: Solve for x
    x = 6,516,487.89/3,063.30
  6. Step 6: Final answer
    x = 2,127.28

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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.