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Finding the Fourth Proportional to 8,676.16, 13,016.67 and 3,485.68

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Solution

The fourth proportional to 8,676.16, 13,016.67 and 3,485.68 is: 5,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.16 : 13,016.67 = 3,485.68 : x
  2. Step 2: Convert to fraction form
    8,676.16/13,016.67 = 3,485.68/x
  3. Step 3: Cross multiply
    8,676.16x = 13,016.67 × 3,485.68
  4. Step 4: Simplify right side
    8,676.16x = 45,371,946.29
  5. Step 5: Solve for x
    x = 45,371,946.29/8,676.16
  6. Step 6: Final answer
    x = 5,229.50

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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.