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Finding the Fourth Proportional to 30,652.02, 45,978.94 and 8,467.03

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Solution

The fourth proportional to 30,652.02, 45,978.94 and 8,467.03 is: 12,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,652.02 : 45,978.94 = 8,467.03 : x
  2. Step 2: Convert to fraction form
    30,652.02/45,978.94 = 8,467.03/x
  3. Step 3: Cross multiply
    30,652.02x = 45,978.94 × 8,467.03
  4. Step 4: Simplify right side
    30,652.02x = 389,305,132.41
  5. Step 5: Solve for x
    x = 389,305,132.41/30,652.02
  6. Step 6: Final answer
    x = 12,700.80

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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.