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Finding the Fourth Proportional to 52,370.70, 78,576.84 and 19,092.93

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Solution

The fourth proportional to 52,370.70, 78,576.84 and 19,092.93 is: 28,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,370.70 : 78,576.84 = 19,092.93 : x
  2. Step 2: Convert to fraction form
    52,370.70/78,576.84 = 19,092.93/x
  3. Step 3: Cross multiply
    52,370.70x = 78,576.84 × 19,092.93
  4. Step 4: Simplify right side
    52,370.70x = 1,500,262,105.74
  5. Step 5: Solve for x
    x = 1,500,262,105.74/52,370.70
  6. Step 6: Final answer
    x = 28,646.97

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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.