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Finding the Fourth Proportional to 56,672.37, 78,203.02 and 32,800.51

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Solution

The fourth proportional to 56,672.37, 78,203.02 and 32,800.51 is: 45,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,672.37 : 78,203.02 = 32,800.51 : x
  2. Step 2: Convert to fraction form
    56,672.37/78,203.02 = 32,800.51/x
  3. Step 3: Cross multiply
    56,672.37x = 78,203.02 × 32,800.51
  4. Step 4: Simplify right side
    56,672.37x = 2,565,098,939.54
  5. Step 5: Solve for x
    x = 2,565,098,939.54/56,672.37
  6. Step 6: Final answer
    x = 45,261.90

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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.