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Finding the Fourth Proportional to 8,305.62, 12,463.88 and 4,412.76

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Solution

The fourth proportional to 8,305.62, 12,463.88 and 4,412.76 is: 6,622.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.62 : 12,463.88 = 4,412.76 : x
  2. Step 2: Convert to fraction form
    8,305.62/12,463.88 = 4,412.76/x
  3. Step 3: Cross multiply
    8,305.62x = 12,463.88 × 4,412.76
  4. Step 4: Simplify right side
    8,305.62x = 55,000,089.05
  5. Step 5: Solve for x
    x = 55,000,089.05/8,305.62
  6. Step 6: Final answer
    x = 6,622.03

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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.