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Finding the Fourth Proportional to 53,477.33, 73,806.44 and 30,811.98

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Solution

The fourth proportional to 53,477.33, 73,806.44 and 30,811.98 is: 42,524.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,477.33 : 73,806.44 = 30,811.98 : x
  2. Step 2: Convert to fraction form
    53,477.33/73,806.44 = 30,811.98/x
  3. Step 3: Cross multiply
    53,477.33x = 73,806.44 × 30,811.98
  4. Step 4: Simplify right side
    53,477.33x = 2,274,122,122.32
  5. Step 5: Solve for x
    x = 2,274,122,122.32/53,477.33
  6. Step 6: Final answer
    x = 42,524.98

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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.