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Finding the Fourth Proportional to 7,304.50, 10,080.21 and 4,162.51

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Solution

The fourth proportional to 7,304.50, 10,080.21 and 4,162.51 is: 5,744.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,304.50 : 10,080.21 = 4,162.51 : x
  2. Step 2: Convert to fraction form
    7,304.50/10,080.21 = 4,162.51/x
  3. Step 3: Cross multiply
    7,304.50x = 10,080.21 × 4,162.51
  4. Step 4: Simplify right side
    7,304.50x = 41,958,974.93
  5. Step 5: Solve for x
    x = 41,958,974.93/7,304.50
  6. Step 6: Final answer
    x = 5,744.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.