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Finding the Fourth Proportional to 48,758.08, 73,137.12 and 11,822.08

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Solution

The fourth proportional to 48,758.08, 73,137.12 and 11,822.08 is: 17,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,758.08 : 73,137.12 = 11,822.08 : x
  2. Step 2: Convert to fraction form
    48,758.08/73,137.12 = 11,822.08/x
  3. Step 3: Cross multiply
    48,758.08x = 73,137.12 × 11,822.08
  4. Step 4: Simplify right side
    48,758.08x = 864,632,883.61
  5. Step 5: Solve for x
    x = 864,632,883.61/48,758.08
  6. Step 6: Final answer
    x = 17,733.12

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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.