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Finding the Fourth Proportional to 8,334.65, 12,503.01 and 2,791.98

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Solution

The fourth proportional to 8,334.65, 12,503.01 and 2,791.98 is: 4,188.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334.65 : 12,503.01 = 2,791.98 : x
  2. Step 2: Convert to fraction form
    8,334.65/12,503.01 = 2,791.98/x
  3. Step 3: Cross multiply
    8,334.65x = 12,503.01 × 2,791.98
  4. Step 4: Simplify right side
    8,334.65x = 34,908,153.86
  5. Step 5: Solve for x
    x = 34,908,153.86/8,334.65
  6. Step 6: Final answer
    x = 4,188.32

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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.