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Finding the Fourth Proportional to 8,347.03, 12,518.89 and 3,082.03

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Solution

The fourth proportional to 8,347.03, 12,518.89 and 3,082.03 is: 4,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.03 : 12,518.89 = 3,082.03 : x
  2. Step 2: Convert to fraction form
    8,347.03/12,518.89 = 3,082.03/x
  3. Step 3: Cross multiply
    8,347.03x = 12,518.89 × 3,082.03
  4. Step 4: Simplify right side
    8,347.03x = 38,583,594.55
  5. Step 5: Solve for x
    x = 38,583,594.55/8,347.03
  6. Step 6: Final answer
    x = 4,622.43

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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.