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Finding the Fourth Proportional to 8,466.02, 12,662.12 and 4,947.68

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Solution

The fourth proportional to 8,466.02, 12,662.12 and 4,947.68 is: 7,399.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.02 : 12,662.12 = 4,947.68 : x
  2. Step 2: Convert to fraction form
    8,466.02/12,662.12 = 4,947.68/x
  3. Step 3: Cross multiply
    8,466.02x = 12,662.12 × 4,947.68
  4. Step 4: Simplify right side
    8,466.02x = 62,648,161.91
  5. Step 5: Solve for x
    x = 62,648,161.91/8,466.02
  6. Step 6: Final answer
    x = 7,399.96

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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.