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Finding the Fourth Proportional to 5,798.12, 8,699.32 and 2,679.62

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Solution

The fourth proportional to 5,798.12, 8,699.32 and 2,679.62 is: 4,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798.12 : 8,699.32 = 2,679.62 : x
  2. Step 2: Convert to fraction form
    5,798.12/8,699.32 = 2,679.62/x
  3. Step 3: Cross multiply
    5,798.12x = 8,699.32 × 2,679.62
  4. Step 4: Simplify right side
    5,798.12x = 23,310,871.86
  5. Step 5: Solve for x
    x = 23,310,871.86/5,798.12
  6. Step 6: Final answer
    x = 4,020.42

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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.