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Finding the Fourth Proportional to 30,243.92, 45,358.52 and 9,467.42

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Solution

The fourth proportional to 30,243.92, 45,358.52 and 9,467.42 is: 14,198.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.92 : 45,358.52 = 9,467.42 : x
  2. Step 2: Convert to fraction form
    30,243.92/45,358.52 = 9,467.42/x
  3. Step 3: Cross multiply
    30,243.92x = 45,358.52 × 9,467.42
  4. Step 4: Simplify right side
    30,243.92x = 429,427,885.29
  5. Step 5: Solve for x
    x = 429,427,885.29/30,243.92
  6. Step 6: Final answer
    x = 14,198.82

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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.