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Finding the Fourth Proportional to 56,379.68, 77,784.62 and 32,163.26

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Solution

The fourth proportional to 56,379.68, 77,784.62 and 32,163.26 is: 44,374.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,379.68 : 77,784.62 = 32,163.26 : x
  2. Step 2: Convert to fraction form
    56,379.68/77,784.62 = 32,163.26/x
  3. Step 3: Cross multiply
    56,379.68x = 77,784.62 × 32,163.26
  4. Step 4: Simplify right side
    56,379.68x = 2,501,806,957.06
  5. Step 5: Solve for x
    x = 2,501,806,957.06/56,379.68
  6. Step 6: Final answer
    x = 44,374.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.