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Finding the Fourth Proportional to 7,907, 10,912.62 and 4,595

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Solution

The fourth proportional to 7,907, 10,912.62 and 4,595 is: 6,341.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907 : 10,912.62 = 4,595 : x
  2. Step 2: Convert to fraction form
    7,907/10,912.62 = 4,595/x
  3. Step 3: Cross multiply
    7,907x = 10,912.62 × 4,595
  4. Step 4: Simplify right side
    7,907x = 50,143,488.90
  5. Step 5: Solve for x
    x = 50,143,488.90/7,907
  6. Step 6: Final answer
    x = 6,341.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.