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Finding the Fourth Proportional to 3,325.03, 4,988.40 and 1,764.06

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Solution

The fourth proportional to 3,325.03, 4,988.40 and 1,764.06 is: 2,646.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.03 : 4,988.40 = 1,764.06 : x
  2. Step 2: Convert to fraction form
    3,325.03/4,988.40 = 1,764.06/x
  3. Step 3: Cross multiply
    3,325.03x = 4,988.40 × 1,764.06
  4. Step 4: Simplify right side
    3,325.03x = 8,799,836.90
  5. Step 5: Solve for x
    x = 8,799,836.90/3,325.03
  6. Step 6: Final answer
    x = 2,646.54

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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.