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Finding the Fourth Proportional to 53,272.84, 79,927.88 and 23,687.88

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Solution

The fourth proportional to 53,272.84, 79,927.88 and 23,687.88 is: 35,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,272.84 : 79,927.88 = 23,687.88 : x
  2. Step 2: Convert to fraction form
    53,272.84/79,927.88 = 23,687.88/x
  3. Step 3: Cross multiply
    53,272.84x = 79,927.88 × 23,687.88
  4. Step 4: Simplify right side
    53,272.84x = 1,893,322,030.09
  5. Step 5: Solve for x
    x = 1,893,322,030.09/53,272.84
  6. Step 6: Final answer
    x = 35,540.10

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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.