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Finding the Fourth Proportional to 7,068.84, 10,601.64 and 2,907.96

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Solution

The fourth proportional to 7,068.84, 10,601.64 and 2,907.96 is: 4,361.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.84 : 10,601.64 = 2,907.96 : x
  2. Step 2: Convert to fraction form
    7,068.84/10,601.64 = 2,907.96/x
  3. Step 3: Cross multiply
    7,068.84x = 10,601.64 × 2,907.96
  4. Step 4: Simplify right side
    7,068.84x = 30,829,145.05
  5. Step 5: Solve for x
    x = 30,829,145.05/7,068.84
  6. Step 6: Final answer
    x = 4,361.27

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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.