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Finding the Fourth Proportional to 7,199.88, 10,804.07 and 3,039.61

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Solution

The fourth proportional to 7,199.88, 10,804.07 and 3,039.61 is: 4,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.88 : 10,804.07 = 3,039.61 : x
  2. Step 2: Convert to fraction form
    7,199.88/10,804.07 = 3,039.61/x
  3. Step 3: Cross multiply
    7,199.88x = 10,804.07 × 3,039.61
  4. Step 4: Simplify right side
    7,199.88x = 32,840,159.21
  5. Step 5: Solve for x
    x = 32,840,159.21/7,199.88
  6. Step 6: Final answer
    x = 4,561.21

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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.