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Finding the Fourth Proportional to 7,199.15, 10,800.18 and 3,039.17

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Solution

The fourth proportional to 7,199.15, 10,800.18 and 3,039.17 is: 4,559.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.15 : 10,800.18 = 3,039.17 : x
  2. Step 2: Convert to fraction form
    7,199.15/10,800.18 = 3,039.17/x
  3. Step 3: Cross multiply
    7,199.15x = 10,800.18 × 3,039.17
  4. Step 4: Simplify right side
    7,199.15x = 32,823,529.05
  5. Step 5: Solve for x
    x = 32,823,529.05/7,199.15
  6. Step 6: Final answer
    x = 4,559.36

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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.