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Finding the Fourth Proportional to 5,990.91, 8,994.29 and 5,119

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Solution

The fourth proportional to 5,990.91, 8,994.29 and 5,119 is: 7,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.91 : 8,994.29 = 5,119 : x
  2. Step 2: Convert to fraction form
    5,990.91/8,994.29 = 5,119/x
  3. Step 3: Cross multiply
    5,990.91x = 8,994.29 × 5,119
  4. Step 4: Simplify right side
    5,990.91x = 46,041,770.51
  5. Step 5: Solve for x
    x = 46,041,770.51/5,990.91
  6. Step 6: Final answer
    x = 7,685.27

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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.