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Finding the Fourth Proportional to 53,160.84, 79,741.87 and 22,761.88

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Solution

The fourth proportional to 53,160.84, 79,741.87 and 22,761.88 is: 34,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,160.84 : 79,741.87 = 22,761.88 : x
  2. Step 2: Convert to fraction form
    53,160.84/79,741.87 = 22,761.88/x
  3. Step 3: Cross multiply
    53,160.84x = 79,741.87 × 22,761.88
  4. Step 4: Simplify right side
    53,160.84x = 1,815,074,619.66
  5. Step 5: Solve for x
    x = 1,815,074,619.66/53,160.84
  6. Step 6: Final answer
    x = 34,143.08

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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.