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Finding the Fourth Proportional to 7,199.65, 10,800.93 and 3,039.67

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Solution

The fourth proportional to 7,199.65, 10,800.93 and 3,039.67 is: 4,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.65 : 10,800.93 = 3,039.67 : x
  2. Step 2: Convert to fraction form
    7,199.65/10,800.93 = 3,039.67/x
  3. Step 3: Cross multiply
    7,199.65x = 10,800.93 × 3,039.67
  4. Step 4: Simplify right side
    7,199.65x = 32,831,208.89
  5. Step 5: Solve for x
    x = 32,831,208.89/7,199.65
  6. Step 6: Final answer
    x = 4,560.11

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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.