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Finding the Fourth Proportional to 58,976.51, 81,388.51 and 32,118.98

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Solution

The fourth proportional to 58,976.51, 81,388.51 and 32,118.98 is: 44,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,976.51 : 81,388.51 = 32,118.98 : x
  2. Step 2: Convert to fraction form
    58,976.51/81,388.51 = 32,118.98/x
  3. Step 3: Cross multiply
    58,976.51x = 81,388.51 × 32,118.98
  4. Step 4: Simplify right side
    58,976.51x = 2,614,115,437.68
  5. Step 5: Solve for x
    x = 2,614,115,437.68/58,976.51
  6. Step 6: Final answer
    x = 44,324.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.