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Finding the Fourth Proportional to 56,581.84, 84,751.26 and 53,269.56

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Solution

The fourth proportional to 56,581.84, 84,751.26 and 53,269.56 is: 79,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,581.84 : 84,751.26 = 53,269.56 : x
  2. Step 2: Convert to fraction form
    56,581.84/84,751.26 = 53,269.56/x
  3. Step 3: Cross multiply
    56,581.84x = 84,751.26 × 53,269.56
  4. Step 4: Simplify right side
    56,581.84x = 4,514,662,329.65
  5. Step 5: Solve for x
    x = 4,514,662,329.65/56,581.84
  6. Step 6: Final answer
    x = 79,789.95

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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.