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Finding the Fourth Proportional to 48,745.04, 73,128.04 and 15,467.79

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Solution

The fourth proportional to 48,745.04, 73,128.04 and 15,467.79 is: 23,205.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,745.04 : 73,128.04 = 15,467.79 : x
  2. Step 2: Convert to fraction form
    48,745.04/73,128.04 = 15,467.79/x
  3. Step 3: Cross multiply
    48,745.04x = 73,128.04 × 15,467.79
  4. Step 4: Simplify right side
    48,745.04x = 1,131,128,827.88
  5. Step 5: Solve for x
    x = 1,131,128,827.88/48,745.04
  6. Step 6: Final answer
    x = 23,205.00

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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.