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Finding the Fourth Proportional to 20,304.61, 30,452.04 and 6,976.06

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Solution

The fourth proportional to 20,304.61, 30,452.04 and 6,976.06 is: 10,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304.61 : 30,452.04 = 6,976.06 : x
  2. Step 2: Convert to fraction form
    20,304.61/30,452.04 = 6,976.06/x
  3. Step 3: Cross multiply
    20,304.61x = 30,452.04 × 6,976.06
  4. Step 4: Simplify right side
    20,304.61x = 212,435,258.16
  5. Step 5: Solve for x
    x = 212,435,258.16/20,304.61
  6. Step 6: Final answer
    x = 10,462.42

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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.