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Finding the Fourth Proportional to 5,795.72, 8,651.15 and 4,979.24

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Solution

The fourth proportional to 5,795.72, 8,651.15 and 4,979.24 is: 7,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,795.72 : 8,651.15 = 4,979.24 : x
  2. Step 2: Convert to fraction form
    5,795.72/8,651.15 = 4,979.24/x
  3. Step 3: Cross multiply
    5,795.72x = 8,651.15 × 4,979.24
  4. Step 4: Simplify right side
    5,795.72x = 43,076,083.97
  5. Step 5: Solve for x
    x = 43,076,083.97/5,795.72
  6. Step 6: Final answer
    x = 7,432.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.