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Finding the Fourth Proportional to 3,343.95, 5,015.79 and 1,494.72

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Solution

The fourth proportional to 3,343.95, 5,015.79 and 1,494.72 is: 2,242.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.95 : 5,015.79 = 1,494.72 : x
  2. Step 2: Convert to fraction form
    3,343.95/5,015.79 = 1,494.72/x
  3. Step 3: Cross multiply
    3,343.95x = 5,015.79 × 1,494.72
  4. Step 4: Simplify right side
    3,343.95x = 7,497,201.63
  5. Step 5: Solve for x
    x = 7,497,201.63/3,343.95
  6. Step 6: Final answer
    x = 2,242.02

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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.