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Finding the Fourth Proportional to 8,237.92, 12,358.92 and 2,394.60

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Solution

The fourth proportional to 8,237.92, 12,358.92 and 2,394.60 is: 3,592.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.92 : 12,358.92 = 2,394.60 : x
  2. Step 2: Convert to fraction form
    8,237.92/12,358.92 = 2,394.60/x
  3. Step 3: Cross multiply
    8,237.92x = 12,358.92 × 2,394.60
  4. Step 4: Simplify right side
    8,237.92x = 29,594,669.83
  5. Step 5: Solve for x
    x = 29,594,669.83/8,237.92
  6. Step 6: Final answer
    x = 3,592.49

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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.