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Finding the Fourth Proportional to 48,792.08, 73,186.40 and 20,694.08

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Solution

The fourth proportional to 48,792.08, 73,186.40 and 20,694.08 is: 31,040.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,792.08 : 73,186.40 = 20,694.08 : x
  2. Step 2: Convert to fraction form
    48,792.08/73,186.40 = 20,694.08/x
  3. Step 3: Cross multiply
    48,792.08x = 73,186.40 × 20,694.08
  4. Step 4: Simplify right side
    48,792.08x = 1,514,525,216.51
  5. Step 5: Solve for x
    x = 1,514,525,216.51/48,792.08
  6. Step 6: Final answer
    x = 31,040.39

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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.