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Finding the Fourth Proportional to 5,990.86, 8,992.68 and 5,301.91

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Solution

The fourth proportional to 5,990.86, 8,992.68 and 5,301.91 is: 7,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.86 : 8,992.68 = 5,301.91 : x
  2. Step 2: Convert to fraction form
    5,990.86/8,992.68 = 5,301.91/x
  3. Step 3: Cross multiply
    5,990.86x = 8,992.68 × 5,301.91
  4. Step 4: Simplify right side
    5,990.86x = 47,678,380.02
  5. Step 5: Solve for x
    x = 47,678,380.02/5,990.86
  6. Step 6: Final answer
    x = 7,958.52

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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.