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Finding the Fourth Proportional to 8,237.76, 12,358.32 and 2,394.24

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Solution

The fourth proportional to 8,237.76, 12,358.32 and 2,394.24 is: 3,591.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.76 : 12,358.32 = 2,394.24 : x
  2. Step 2: Convert to fraction form
    8,237.76/12,358.32 = 2,394.24/x
  3. Step 3: Cross multiply
    8,237.76x = 12,358.32 × 2,394.24
  4. Step 4: Simplify right side
    8,237.76x = 29,588,784.08
  5. Step 5: Solve for x
    x = 29,588,784.08/8,237.76
  6. Step 6: Final answer
    x = 3,591.85

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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.