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Finding the Fourth Proportional to 8,493.93, 12,735.08 and 4,325.87

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Solution

The fourth proportional to 8,493.93, 12,735.08 and 4,325.87 is: 6,485.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.93 : 12,735.08 = 4,325.87 : x
  2. Step 2: Convert to fraction form
    8,493.93/12,735.08 = 4,325.87/x
  3. Step 3: Cross multiply
    8,493.93x = 12,735.08 × 4,325.87
  4. Step 4: Simplify right side
    8,493.93x = 55,090,300.52
  5. Step 5: Solve for x
    x = 55,090,300.52/8,493.93
  6. Step 6: Final answer
    x = 6,485.84

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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.