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Finding the Fourth Proportional to 57,971.76, 79,994.28 and 32,474.48

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Solution

The fourth proportional to 57,971.76, 79,994.28 and 32,474.48 is: 44,811.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,971.76 : 79,994.28 = 32,474.48 : x
  2. Step 2: Convert to fraction form
    57,971.76/79,994.28 = 32,474.48/x
  3. Step 3: Cross multiply
    57,971.76x = 79,994.28 × 32,474.48
  4. Step 4: Simplify right side
    57,971.76x = 2,597,772,645.97
  5. Step 5: Solve for x
    x = 2,597,772,645.97/57,971.76
  6. Step 6: Final answer
    x = 44,811.00

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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.