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Finding the Fourth Proportional to 8,369.72, 11,549.81 and 4,592.79

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Solution

The fourth proportional to 8,369.72, 11,549.81 and 4,592.79 is: 6,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.72 : 11,549.81 = 4,592.79 : x
  2. Step 2: Convert to fraction form
    8,369.72/11,549.81 = 4,592.79/x
  3. Step 3: Cross multiply
    8,369.72x = 11,549.81 × 4,592.79
  4. Step 4: Simplify right side
    8,369.72x = 53,045,828.91
  5. Step 5: Solve for x
    x = 53,045,828.91/8,369.72
  6. Step 6: Final answer
    x = 6,337.83

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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.