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Finding the Fourth Proportional to 54,573.06, 81,890.97 and 22,980.63

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Solution

The fourth proportional to 54,573.06, 81,890.97 and 22,980.63 is: 34,484.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,573.06 : 81,890.97 = 22,980.63 : x
  2. Step 2: Convert to fraction form
    54,573.06/81,890.97 = 22,980.63/x
  3. Step 3: Cross multiply
    54,573.06x = 81,890.97 × 22,980.63
  4. Step 4: Simplify right side
    54,573.06x = 1,881,906,081.91
  5. Step 5: Solve for x
    x = 1,881,906,081.91/54,573.06
  6. Step 6: Final answer
    x = 34,484.16

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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.