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Finding the Fourth Proportional to 7,304.26, 10,079.88 and 3,992.26

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Solution

The fourth proportional to 7,304.26, 10,079.88 and 3,992.26 is: 5,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,304.26 : 10,079.88 = 3,992.26 : x
  2. Step 2: Convert to fraction form
    7,304.26/10,079.88 = 3,992.26/x
  3. Step 3: Cross multiply
    7,304.26x = 10,079.88 × 3,992.26
  4. Step 4: Simplify right side
    7,304.26x = 40,241,501.73
  5. Step 5: Solve for x
    x = 40,241,501.73/7,304.26
  6. Step 6: Final answer
    x = 5,509.32

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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.