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Finding the Fourth Proportional to 52,357.73, 78,536.79 and 19,077.80

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Solution

The fourth proportional to 52,357.73, 78,536.79 and 19,077.80 is: 28,616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,357.73 : 78,536.79 = 19,077.80 : x
  2. Step 2: Convert to fraction form
    52,357.73/78,536.79 = 19,077.80/x
  3. Step 3: Cross multiply
    52,357.73x = 78,536.79 × 19,077.80
  4. Step 4: Simplify right side
    52,357.73x = 1,498,308,779.58
  5. Step 5: Solve for x
    x = 1,498,308,779.58/52,357.73
  6. Step 6: Final answer
    x = 28,616.77

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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.