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Finding the Fourth Proportional to 56,625.66, 78,141.44 and 36,483.39

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Solution

The fourth proportional to 56,625.66, 78,141.44 and 36,483.39 is: 50,345.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,625.66 : 78,141.44 = 36,483.39 : x
  2. Step 2: Convert to fraction form
    56,625.66/78,141.44 = 36,483.39/x
  3. Step 3: Cross multiply
    56,625.66x = 78,141.44 × 36,483.39
  4. Step 4: Simplify right side
    56,625.66x = 2,850,864,721.89
  5. Step 5: Solve for x
    x = 2,850,864,721.89/56,625.66
  6. Step 6: Final answer
    x = 50,345.81

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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.