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Finding the Fourth Proportional to 48,798.72, 73,198.08 and 28,028.16

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Solution

The fourth proportional to 48,798.72, 73,198.08 and 28,028.16 is: 42,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,798.72 : 73,198.08 = 28,028.16 : x
  2. Step 2: Convert to fraction form
    48,798.72/73,198.08 = 28,028.16/x
  3. Step 3: Cross multiply
    48,798.72x = 73,198.08 × 28,028.16
  4. Step 4: Simplify right side
    48,798.72x = 2,051,607,497.93
  5. Step 5: Solve for x
    x = 2,051,607,497.93/48,798.72
  6. Step 6: Final answer
    x = 42,042.24

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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.