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Finding the Fourth Proportional to 8,056.80, 12,072.24 and 4,972.32

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Solution

The fourth proportional to 8,056.80, 12,072.24 and 4,972.32 is: 7,450.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.80 : 12,072.24 = 4,972.32 : x
  2. Step 2: Convert to fraction form
    8,056.80/12,072.24 = 4,972.32/x
  3. Step 3: Cross multiply
    8,056.80x = 12,072.24 × 4,972.32
  4. Step 4: Simplify right side
    8,056.80x = 60,027,040.40
  5. Step 5: Solve for x
    x = 60,027,040.40/8,056.80
  6. Step 6: Final answer
    x = 7,450.48

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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.