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Finding the Fourth Proportional to 8,052.80, 12,074.40 and 4,164.80

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Solution

The fourth proportional to 8,052.80, 12,074.40 and 4,164.80 is: 6,244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052.80 : 12,074.40 = 4,164.80 : x
  2. Step 2: Convert to fraction form
    8,052.80/12,074.40 = 4,164.80/x
  3. Step 3: Cross multiply
    8,052.80x = 12,074.40 × 4,164.80
  4. Step 4: Simplify right side
    8,052.80x = 50,287,461.12
  5. Step 5: Solve for x
    x = 50,287,461.12/8,052.80
  6. Step 6: Final answer
    x = 6,244.72

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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.