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Finding the Fourth Proportional to 52,828.38, 79,237.80 and 19,548.72

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Solution

The fourth proportional to 52,828.38, 79,237.80 and 19,548.72 is: 29,321.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,828.38 : 79,237.80 = 19,548.72 : x
  2. Step 2: Convert to fraction form
    52,828.38/79,237.80 = 19,548.72/x
  3. Step 3: Cross multiply
    52,828.38x = 79,237.80 × 19,548.72
  4. Step 4: Simplify right side
    52,828.38x = 1,548,997,565.62
  5. Step 5: Solve for x
    x = 1,548,997,565.62/52,828.38
  6. Step 6: Final answer
    x = 29,321.31

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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.