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Finding the Fourth Proportional to 8,424.44, 12,630.90 and 4,524.92

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Solution

The fourth proportional to 8,424.44, 12,630.90 and 4,524.92 is: 6,784.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.44 : 12,630.90 = 4,524.92 : x
  2. Step 2: Convert to fraction form
    8,424.44/12,630.90 = 4,524.92/x
  3. Step 3: Cross multiply
    8,424.44x = 12,630.90 × 4,524.92
  4. Step 4: Simplify right side
    8,424.44x = 57,153,812.03
  5. Step 5: Solve for x
    x = 57,153,812.03/8,424.44
  6. Step 6: Final answer
    x = 6,784.29

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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.