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Finding the Fourth Proportional to 8,394.41, 12,581.08 and 7,351.94

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Solution

The fourth proportional to 8,394.41, 12,581.08 and 7,351.94 is: 11,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.41 : 12,581.08 = 7,351.94 : x
  2. Step 2: Convert to fraction form
    8,394.41/12,581.08 = 7,351.94/x
  3. Step 3: Cross multiply
    8,394.41x = 12,581.08 × 7,351.94
  4. Step 4: Simplify right side
    8,394.41x = 92,495,345.30
  5. Step 5: Solve for x
    x = 92,495,345.30/8,394.41
  6. Step 6: Final answer
    x = 11,018.68

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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.