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Finding the Fourth Proportional to 56,203.41, 84,308.76 and 16,764.51

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Solution

The fourth proportional to 56,203.41, 84,308.76 and 16,764.51 is: 25,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,203.41 : 84,308.76 = 16,764.51 : x
  2. Step 2: Convert to fraction form
    56,203.41/84,308.76 = 16,764.51/x
  3. Step 3: Cross multiply
    56,203.41x = 84,308.76 × 16,764.51
  4. Step 4: Simplify right side
    56,203.41x = 1,413,395,050.11
  5. Step 5: Solve for x
    x = 1,413,395,050.11/56,203.41
  6. Step 6: Final answer
    x = 25,147.85

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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.