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Finding the Fourth Proportional to 56,453.52, 84,694.52 and 39,845.99

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Solution

The fourth proportional to 56,453.52, 84,694.52 and 39,845.99 is: 59,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,453.52 : 84,694.52 = 39,845.99 : x
  2. Step 2: Convert to fraction form
    56,453.52/84,694.52 = 39,845.99/x
  3. Step 3: Cross multiply
    56,453.52x = 84,694.52 × 39,845.99
  4. Step 4: Simplify right side
    56,453.52x = 3,374,736,374.27
  5. Step 5: Solve for x
    x = 3,374,736,374.27/56,453.52
  6. Step 6: Final answer
    x = 59,779.02

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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.