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Finding the Fourth Proportional to 1,732.30, 2,597.10 and 962.80

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Solution

The fourth proportional to 1,732.30, 2,597.10 and 962.80 is: 1,443.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.30 : 2,597.10 = 962.80 : x
  2. Step 2: Convert to fraction form
    1,732.30/2,597.10 = 962.80/x
  3. Step 3: Cross multiply
    1,732.30x = 2,597.10 × 962.80
  4. Step 4: Simplify right side
    1,732.30x = 2,500,487.88
  5. Step 5: Solve for x
    x = 2,500,487.88/1,732.30
  6. Step 6: Final answer
    x = 1,443.45

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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.