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Finding the Fourth Proportional to 3,271.98, 4,932.64 and 3,060.57

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Solution

The fourth proportional to 3,271.98, 4,932.64 and 3,060.57 is: 4,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.98 : 4,932.64 = 3,060.57 : x
  2. Step 2: Convert to fraction form
    3,271.98/4,932.64 = 3,060.57/x
  3. Step 3: Cross multiply
    3,271.98x = 4,932.64 × 3,060.57
  4. Step 4: Simplify right side
    3,271.98x = 15,096,690.00
  5. Step 5: Solve for x
    x = 15,096,690.00/3,271.98
  6. Step 6: Final answer
    x = 4,613.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.