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Finding the Fourth Proportional to 8,127.34, 12,193.06 and 3,747.88

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Solution

The fourth proportional to 8,127.34, 12,193.06 and 3,747.88 is: 5,622.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.34 : 12,193.06 = 3,747.88 : x
  2. Step 2: Convert to fraction form
    8,127.34/12,193.06 = 3,747.88/x
  3. Step 3: Cross multiply
    8,127.34x = 12,193.06 × 3,747.88
  4. Step 4: Simplify right side
    8,127.34x = 45,698,125.71
  5. Step 5: Solve for x
    x = 45,698,125.71/8,127.34
  6. Step 6: Final answer
    x = 5,622.77

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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.