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Finding the Fourth Proportional to 3,381.94, 5,071.69 and 2,652.94

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Solution

The fourth proportional to 3,381.94, 5,071.69 and 2,652.94 is: 3,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.94 : 5,071.69 = 2,652.94 : x
  2. Step 2: Convert to fraction form
    3,381.94/5,071.69 = 2,652.94/x
  3. Step 3: Cross multiply
    3,381.94x = 5,071.69 × 2,652.94
  4. Step 4: Simplify right side
    3,381.94x = 13,454,889.27
  5. Step 5: Solve for x
    x = 13,454,889.27/3,381.94
  6. Step 6: Final answer
    x = 3,978.45

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1.5x scale

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.