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Finding the Fourth Proportional to 47,274.48, 65,238.80 and 25,764.08

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Solution

The fourth proportional to 47,274.48, 65,238.80 and 25,764.08 is: 35,554.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,274.48 : 65,238.80 = 25,764.08 : x
  2. Step 2: Convert to fraction form
    47,274.48/65,238.80 = 25,764.08/x
  3. Step 3: Cross multiply
    47,274.48x = 65,238.80 × 25,764.08
  4. Step 4: Simplify right side
    47,274.48x = 1,680,817,662.30
  5. Step 5: Solve for x
    x = 1,680,817,662.30/47,274.48
  6. Step 6: Final answer
    x = 35,554.44

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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.