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Finding the Fourth Proportional to 3,247.04, 4,870.08 and 937.92

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Solution

The fourth proportional to 3,247.04, 4,870.08 and 937.92 is: 1,406.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.04 : 4,870.08 = 937.92 : x
  2. Step 2: Convert to fraction form
    3,247.04/4,870.08 = 937.92/x
  3. Step 3: Cross multiply
    3,247.04x = 4,870.08 × 937.92
  4. Step 4: Simplify right side
    3,247.04x = 4,567,745.43
  5. Step 5: Solve for x
    x = 4,567,745.43/3,247.04
  6. Step 6: Final answer
    x = 1,406.74

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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.