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Finding the Fourth Proportional to 5,523.76, 7,623.06 and 3,165.89

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Solution

The fourth proportional to 5,523.76, 7,623.06 and 3,165.89 is: 4,369.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.76 : 7,623.06 = 3,165.89 : x
  2. Step 2: Convert to fraction form
    5,523.76/7,623.06 = 3,165.89/x
  3. Step 3: Cross multiply
    5,523.76x = 7,623.06 × 3,165.89
  4. Step 4: Simplify right side
    5,523.76x = 24,133,769.42
  5. Step 5: Solve for x
    x = 24,133,769.42/5,523.76
  6. Step 6: Final answer
    x = 4,369.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.