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Finding the Fourth Proportional to 4,881.32, 7,309.02 and 3,950.44

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Solution

The fourth proportional to 4,881.32, 7,309.02 and 3,950.44 is: 5,915.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.32 : 7,309.02 = 3,950.44 : x
  2. Step 2: Convert to fraction form
    4,881.32/7,309.02 = 3,950.44/x
  3. Step 3: Cross multiply
    4,881.32x = 7,309.02 × 3,950.44
  4. Step 4: Simplify right side
    4,881.32x = 28,873,844.97
  5. Step 5: Solve for x
    x = 28,873,844.97/4,881.32
  6. Step 6: Final answer
    x = 5,915.17

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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.