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Finding the Fourth Proportional to 4,859.33, 7,272.18 and 3,971.57

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Solution

The fourth proportional to 4,859.33, 7,272.18 and 3,971.57 is: 5,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.33 : 7,272.18 = 3,971.57 : x
  2. Step 2: Convert to fraction form
    4,859.33/7,272.18 = 3,971.57/x
  3. Step 3: Cross multiply
    4,859.33x = 7,272.18 × 3,971.57
  4. Step 4: Simplify right side
    4,859.33x = 28,881,935.56
  5. Step 5: Solve for x
    x = 28,881,935.56/4,859.33
  6. Step 6: Final answer
    x = 5,943.61

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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.